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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-K


ý

 

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2013

OR

o

 

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

For the transition period from            to                               

Commission File No. 0-14719

SKYWEST, INC.

Incorporated under the Laws of Utah   87-0292166
(IRS Employer ID No.)

444 South River Road
St. George, Utah 84790
(435) 634-3000

Securities Registered Pursuant to Section 12(b) of the Act: None

Securities Registered Pursuant to Section 12(g) of the Act:
Common Stock, No Par Value

         Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes o    No ý

         Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes o    No ý

         Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý    No o

         Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ý    No o

         Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in the definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. ý

         Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer o   Accelerated filer ý   Non-accelerated filer o
(Do not check if a
smaller reporting company)
  Smaller reporting company o

         Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes o    No ý

         The aggregate market value of the registrant's common stock held by non-affiliates (based upon the closing sale price of the registrant's common stock on The Nasdaq National Market) on June 28, 2013 was approximately $682,092,110.

         As of February 3, 2014, there were 51,375,679 shares of the registrant's common stock outstanding.

Documents Incorporated by Reference

         Portions of the registrant's proxy statement to be used in connection with the Registrant's 2013 Annual Meeting of Shareholders are incorporated by reference into Part III of this Report as specified.

   


Table of Contents


SKYWEST, INC.
ANNUAL REPORT ON FORM 10-K
TABLE OF CONTENTS

 
   
  Page No.  

PART I

 

Cautionary Statement Concerning Forward Looking Statements

    3  

Item 1.

 

Business

    3  

Item 1A.

 

Risk Factors

    18  

Item 1B.

 

Unresolved Staff Comments

    32  

Item 2.

 

Properties

    32  

Item 3.

 

Legal Proceedings

    35  

Item 4.

 

Mine Safety Disclosures

    36  

PART II

 

Item 5.

 

Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

    37  

Item 6.

 

Selected Financial Data

    39  

Item 7.

 

Management's Discussion and Analysis of Financial Condition and Results of Operations

    40  

Item 7A.

 

Quantitative and Qualitative Disclosures About Market Risk

    60  

Item 8.

 

Financial Statements and Supplementary Data

    61  

Item 9.

 

Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

    96  

Item 9A.

 

Controls and Procedures

    96  

Item 9B.

 

Other Information

    98  

PART III

 

Item 10.

 

Directors, Executive Officers and Corporate Governance

    98  

Item 11.

 

Executive Compensation

    98  

Item 12.

 

Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

    98  

Item 13.

 

Certain Relationships and Related Transactions

    98  

Item 14.

 

Principal Accountant Fees and Services

    98  

PART IV

 

Item 15.

 

Exhibits and Financial Statement Schedules

    98  

Signatures

    104  

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PART I

        Unless otherwise indicated in this Report, "SkyWest," "we," "us," "our" and similar terms refer to SkyWest, Inc. and "SkyWest Airlines" refers to our wholly-owned subsidiary, SkyWest Airlines, Inc.

        Effective December 31, 2011, our subsidiary, ExpressJet Airlines, Inc. was merged into our subsidiary, Atlantic Southeast Airlines, Inc., with the surviving corporation named ExpressJet Airlines, Inc. (the "ExpressJet Combination"). In this Report, "Atlantic Southeast" refers to Atlantic Southeast Airlines, Inc. for periods prior to the ExpressJet Combination, "ExpressJet Delaware" refers to ExpressJet Airlines, Inc., a Delaware corporation, for periods prior to the ExpressJet Combination, and "ExpressJet" refers to ExpressJet Airlines, Inc., the Utah corporation resulting from the ExpressJet Combination, for periods subsequent to the ExpressJet Combination.

Cautionary Statement Concerning Forward-Looking Statements

        Certain of the statements contained in this Report should be considered "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements may be identified by words such as "may," "will," "expect," "intend," "anticipate," "believe," "estimate," "plan," "project," "could," "should," "hope," "likely," and "continue" and similar terms used in connection with statements regarding our outlook, anticipated operations, the revenue environment, our contractual relationships, and our anticipated financial performance. These statements include, but are not limited to, statements about our future growth and development plans, including our future financial and operating results, our plans for SkyWest Airlines and ExpressJet, our objectives, expectations and intentions and other statements that are not historical facts. Readers should keep in mind that all forward-looking statements are based on our existing beliefs about present and future events outside of our control and on assumptions that may prove to be incorrect. If one or more risks identified in this Report materializes, or any other underlying assumption proves incorrect, our actual results will vary, and may vary materially, from those anticipated, estimated, projected, or intended. These risks and uncertainties include, but are not limited to, those described below in Item 1A. Risk Factors.

        There may be other factors that may affect matters discussed in forward-looking statements set forth in this Report, which factors may also cause actual results to differ materially from those discussed. We assume no obligation to publicly update any forward-looking statement to reflect actual results, changes in assumptions or changes in other factors affecting these statements other than as required by applicable law.

ITEM 1.    BUSINESS

General

        Through SkyWest Airlines and ExpressJet, we offer scheduled passenger service with approximately 4,000 daily departures to destinations in the United States, Canada, Mexico and the Caribbean. Substantially all of our flights are operated as Delta Connection, United Express, US Airways Express, American Eagle or Alaska under code-share arrangements with Delta Air Lines, Inc. ("Delta"), United Air Lines, Inc. ("United"), US Airways Group, Inc. ("US Airways"), American Airlines, Inc. ("American") or Alaska Airlines ("Alaska"), respectively. SkyWest Airlines and ExpressJet generally provide regional flying to our partners under long-term, fixed-fee code-share agreements. Among other features of our fixed-fee agreements, our partners generally reimburse us for specified direct operating expenses (including fuel expense, which is passed through to our partners), and pay us a fee for operating the aircraft.

        On December 31, 2011, Atlantic Southeast and ExpressJet Delaware completed the ExpressJet Combination. Since November 17, 2011, the operations formerly conducted by Atlantic Southeast and

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ExpressJet Delaware have been conducted under a single operating certificate issued by the U.S. Federal Aviation Administration (the "FAA"). We currently anticipate that we will complete the integration of the labor groups of Atlantic Southeast and ExpressJet Delaware into ExpressJet during 2014 and 2015.

        SkyWest Airlines and ExpressJet have developed industry-leading reputations for providing quality regional airline service during their long operating histories. SkyWest Airlines has been flying since 1972 and ExpressJet (and its predecessors) since 1979. As of December 31, 2013, our consolidated fleet consisted of a total of 757 aircraft, of which 449 were assigned to United, 254 were assigned to Delta, 23 were assigned to American, 15 were assigned to US Airways, seven were assigned to Alaska, two were subleased to unaffiliated entities and seven were unassigned. We currently operate two types of regional jet aircraft: the Bombardier Aerospace ("Bombardier") regional jet, which comes in three different configurations: (the 50-seat Bombardier CRJ200 Regional Jet (the "CRJ200"), the 70-seat Bombardier CRJ700 Regional Jet (the "CRJ700") and the 70-90-seat Bombardier CRJ900 Regional Jet (the "CRJ900")), and the Embraer S.A. ("Embraer") regional jet, which we operate in two different configurations the 50-seat Embraer ERJ-145 regional jet (the "ERJ145") and the 37-seat Embraer ERJ-135 regional jet (the "ERJ135"). We also operate the 30-seat Embraer Brasilia EMB-120 turboprop (the "Brasilia turboprop").

        We were incorporated in Utah in 1972. Our principal executive offices are located at 444 South River Road, St. George, Utah 84790, and our primary telephone number is (435) 634-3000. We maintain an Internet web site at www.skywest.com. Our website provides a link to the web site of the SEC, through which our annual, quarterly and current reports, as well as amendments to those reports, are available. In addition, we provide electronic or paper copies of our SEC filings free of charge upon request.

Our Operating Platforms

    SkyWest Airlines

        SkyWest Airlines provides regional jet and turboprop service to airports primarily located in the midwestern and western United States. SkyWest Airlines offered approximately 1,700 daily scheduled departures as of December 31, 2013, of which approximately 1,000 were United Express flights, 500 were Delta Connection flights, 90 were US Airways Express flights, 80 were American Eagle flights and 30 were Alaska-coded flights. SkyWest Airlines' operations are conducted principally from airports located in Chicago (O'Hare), Denver, Los Angeles, Houston, Minneapolis, Portland, Seattle, Phoenix, San Francisco and Salt Lake City. As of December 31, 2013, SkyWest Airlines operated a fleet of 334 aircraft consisting of the following:

 
  CRJ200   CRJ700   CRJ900   EMB120   Total  

United

    78     70         36     184  

Delta

    49     19     32     9     109  

American

    12                 12  

US Airways

    11         4         15  

Alaska

        7             7  

Unassigned

    7                 7  
                       

Total

    157     96     36     45     334  

        SkyWest Airlines conducts its United code-share operations under a United Express Agreement, pursuant to which SkyWest Airlines is paid primarily on a fee-per-completed block hour and departure basis, plus a margin based on performance incentives (the "SkyWest Airlines United Express Agreement"). SkyWest conducts its Delta Connection operations pursuant to the terms of an Amended and Restated Delta Connection Agreement, pursuant to which SkyWest Airlines is paid primarily on a

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fee-per-completed block hour and departure basis, plus a payment based on block hours flown (the "SkyWest Airlines Delta Connection Agreement"). SkyWest Airlines conducts its US Airways and Alaska operations pursuant to the terms of code-share agreements with Alaska and US Airways, respectively, pursuant to which SkyWest Airlines is paid primarily on a fee-per-completed block hour and departure basis, plus a fixed margin per aircraft each month, and an incentive or penalty based on performance incentives. SkyWest Airlines is also a party to a code-share agreement with American (the "SkyWest Airlines American Agreement"), pursuant to which SkyWest Airlines operates as American Eagle on designated routes, and is paid primarily on a fee-per-completed block hour and departure basis, plus a fixed margin per aircraft each month and an incentive or penalty based on performance incentives.

    ExpressJet

        ExpressJet provides regional jet service principally in the United States, primarily from airports located in Atlanta, Cleveland, Chicago (O'Hare), Denver, Houston, Detroit, Memphis, Newark, Minneapolis and Washington Dulles. ExpressJet offered more than 2,200 daily scheduled departures as of December 31, 2013, of which approximately 700 were Delta Connection flights, 1,400 were United Express flights and 100 were American Eagle flights. As of December 31, 2013, ExpressJet operated a fleet of 421 aircraft consisting of the following:

 
  CRJ200   ERJ145   ERJ135   CRJ700   CRJ900   Total  

United

    14     242     9             265  

Delta

    76             41     28     145  

American

    11                     11  
                           

Total

    101     242     9     41     28     421  

        ExpressJet conducts Delta Connection operations pursuant to the terms of a Second Amended and Restated Delta Connection Agreement initially executed between Delta and Atlantic Southeast and to which ExpressJet is now a party (the "ExpressJet Delta Connection Agreement"). Under the ExpressJet Delta Connection Agreement, ExpressJet is paid primarily on a fee-per-completed block hour and departure basis, plus, if ExpressJet completes a certain minimum percentage of its Delta Connection flights, a specified margin on such costs. Additionally, the ExpressJet Delta Connection Agreement provides for incentive compensation upon satisfaction of certain performance goals. ExpressJet's United code-share operations are conducted under a Capacity Purchase Agreement initially executed by ExpressJet and Continental Airlines, Inc. ("Continental") and to which United became a party through its merger with Continental (the "United CPA") and two United Express Agreements between ExpressJet and United (collectively, the "ExpressJet United Express Agreements"). Under the ExpressJet United Express Agreements and the United CPA ExpressJet is paid by United, primarily on a fee-per-completed block hour and departure basis, plus a margin based on performance incentives. ExpressJet is also a party to a code-share agreement with American (the "ExpressJet American Agreement"), pursuant to which ExpressJet currently operates as American Eagle on designated routes, and is paid primarily on a fee-per-completed block hour and departure basis, plus a fixed margin per aircraft each month and an incentive or penalty based on performance incentives.

Competition and Economic Conditions

        The airline industry is highly competitive. SkyWest Airlines and ExpressJet compete principally with other code-sharing regional airlines, but also compete with regional airlines operating without code-share agreements, as well as low-cost carriers and major airlines. The combined operations of SkyWest Airlines and ExpressJet extend throughout most major geographic markets in the United States. Our competition includes, therefore, nearly every other domestic regional airline, and to a

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certain extent, most major and low-cost domestic carriers. The primary competitors of SkyWest Airlines and ExpressJet among regional airlines with code-share arrangements include Air Wisconsin Airlines Corporation ("Air Wisconsin"), American Eagle Airlines, Inc. ("American Eagle") (owned by American), Compass Airlines ("Compass"), Horizon Air Industries, Inc. ("Horizon") (owned by Alaska Air Group, Inc.) , Mesa Air Group, Inc. ("Mesa"), Endevor, Inc. ("Endevor") (owned by Delta), Republic Airways Holdings Inc. ("Republic"), Trans State Airlines, Inc. ("Trans State") and PSA Airlines, Inc. ("PSA") (owned by US Airways). Major airlines award contract flying to these regional airlines based primarily upon the following criteria: low cost, financial resources, overall customer service levels relating to on-time arrival and departure statistics, low rates of flight cancellation, baggage handling performance and the overall image of the regional airline.

        The principal competitive factors for code-share partner regional airlines are code-share agreement terms, customer service, aircraft types, fare pricing, flight schedules and markets and routes served. The principal competitive factors we experience with respect to our pro-rate flying include fare pricing, customer service, routes served, flight schedules, aircraft types and relationships with major partners.

        The combined operations of SkyWest Airlines and ExpressJet represent the largest regional airline operation in the United States. However, many of the major and low-cost carriers are larger, and have greater financial and other resources than SkyWest Airlines and ExpressJet, individually or collectively. Additionally, regional carriers owned by major airlines, such as American Eagle, PSA and Endevor, may have access to greater resources, through their parent companies, than SkyWest Airlines and ExpressJet, and may have enhanced competitive advantages since they are subsidiaries of major airlines. Moreover, federal deregulation of the industry allows competitors to rapidly enter our markets and to quickly discount and restructure fares. The airline industry is particularly susceptible to price discounting because airlines incur only nominal costs to provide service to passengers occupying otherwise unsold seats.

        Generally, the airline industry is highly sensitive to changes in general economic conditions, in large part due to the discretionary nature of a substantial percentage of both business and leisure travel. Many airlines have historically reported lower earnings or substantial losses during periods of economic recession, heavy fare discounting, high fuel costs and other disadvantageous environments. Economic downturns, combined with competitive pressures, have contributed to a number of reorganizations, bankruptcies, liquidations and business combinations among major and regional carriers. The effect of economic downturns may be somewhat mitigated by the predominantly contract-based flying arrangements of SkyWest Airlines and ExpressJet. In addition, if Delta or United, or any of our other code-share partners, experience a prolonged decline in passenger load or are negatively affected by low ticket prices or high fuel prices, they will likely seek to renegotiate their code-share agreements with SkyWest Airlines and ExpressJet, as applicable, or cancel flights in order to reduce their costs. In addition, adverse weather conditions can negatively impact our operations and financial condition

Industry Overview

    Majors, Low-Cost Carriers and Regional Airlines

        The airline industry in the United States has traditionally been dominated by several major airlines, including American, Delta, US Airways and United. The major airlines offer scheduled flights to most major U.S. cities, numerous smaller U.S. cities, and cities throughout the world through a hub and spoke network.

        Low-cost carriers, such as Southwest Airlines Co. ("Southwest") and JetBlue Airways Corporation ("JetBlue"), generally offer fewer conveniences to travelers and have lower cost structures than major airlines, which permits them to offer flights to and from many of the same markets as the major

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airlines, but at lower prices. Low-cost carriers typically fly direct flights with limited service to smaller cities, concentrating on higher demand flights to and from major population bases.

        Regional airlines, such as SkyWest Airlines, ExpressJet, Mesa, Air Wisconsin, Endevor, Compass, Trans State and Republic, typically operate smaller aircraft on lower-volume routes than major and low-cost carriers. Several regional airlines, including American Eagle, PSA, and Horizon, are wholly-owned subsidiaries of major airlines.

        In contrast to low-cost carriers, regional airlines generally do not try to establish an independent route system to compete with the major airlines. Rather, regional airlines typically enter into relationships with one or more major airlines, pursuant to which the regional airline agrees to use its smaller, lower-cost aircraft to carry passengers booked and ticketed by the major airline between a hub of the major airline and a smaller outlying city. In exchange for such services, the major airline pays the regional airline either a fixed flight fee, termed "contract" or "fixed-fee" flights, or receives a percentage of applicable ticket revenues, termed "pro-rate" or "revenue-sharing" flights.

    Relationship of Regional and Major Airlines

        Regional airlines generally enter into code-share agreements with major airlines, pursuant to which the regional airline is authorized to use the major airline's two-letter flight designator codes to identify the regional airline's flights and fares in the central reservation systems, to paint its aircraft with the colors and/or logos of its code-share partner and to market and advertise its status as a carrier for the code-share partner. For example, SkyWest Airlines flies out of Chicago (O'Hare), Washington Dulles, Denver, Houston, Los Angeles and San Francisco as United Express, out of Salt Lake City, Detroit and Minneapolis as Delta Connection, out of Seattle and Portland as an Alaska carrier, out of Phoenix as a US Airways carrier and out of Los Angeles as American Eagle. ExpressJet operates primarily as Delta Connection out of Atlanta and Detroit; and as United Express out of Chicago (O'Hare), Houston, Cleveland, Newark, Denver and Washington Dulles. Code-share agreements also generally obligate the major airline to provide services such as reservations, ticketing, ground support and gate access to the regional airline, and both partners often coordinate marketing, advertising and other promotional efforts. In exchange, the regional airline provides a designated number of low-capacity (usually between 30 and 70 seats) flights between larger airports served by the major airline and surrounding cities, usually in lower-volume markets. The financial arrangements between the regional airlines and their code-share partners usually involve contractual or fixed-fee payments based on the flights or a revenue-sharing arrangement based on the flight ticket revenues, as explained below:

    Fixed-Fee Arrangements.  Under a fixed-fee arrangement (commonly referred to as capacity purchase agreements, or contract flying), the major airline generally pays the regional airline a fixed-fee for each departure, with additional incentives based on completion of flights, on-time performance and baggage handling performance. In addition, the major and regional airline often enter into an arrangement pursuant to which the major airline bears the risk of changes in the price of fuel and other such costs that are passed through to the major airline partner. Regional airlines benefit from a fixed-fee arrangement because they are sheltered from most of the elements that cause volatility in airline financial performance, including variations in ticket prices, passenger loads and fuel prices. However, regional airlines in fixed-fee arrangements do not benefit from positive trends in ticket prices, passenger loads or fuel prices and, because the major airlines absorb most of the costs associated with the regional airline flight, the margin between the fixed-fees for a flight and the expected per-flight costs tends to be smaller than the margins associated with revenue-sharing arrangements.

    Revenue-Sharing Arrangements.  Under a revenue-sharing arrangement (commonly referred to as pro-rate arrangements), the major airline and regional airline negotiate a proration formula, pursuant to which the regional airline receives a percentage of the ticket revenues for those

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      passengers traveling for one portion of their trip on the regional airline and the other portion of their trip on the major airline. Substantially all costs associated with the regional airline flight are borne by the regional airline. In such a revenue-sharing arrangement, the regional airline realizes increased profits as ticket prices and passenger loads increase or fuel prices decrease and, correspondingly, realizes decreased profits as ticket prices and passenger loads decrease or fuel prices increase.

Code-Share Agreements

        SkyWest Airlines has code-share agreements with United, Delta, American, US Airways and Alaska. ExpressJet has code-share agreements with United, Delta and American.

        These code-share agreements authorize Delta, United, American, Alaska and US Airways to identify our flights and fares under their two-letter flight designator codes ("DL," "UA" "AA", "AS" or "US," respectively) in the central reservation systems, and generally require us to paint our aircraft with their colors and logos and to market our status as Delta Connection, United Express, American Eagle, US Airways Express or Alaska, as applicable. Under each of our code-share agreements, our passengers participate in the major partner's frequent flyer program, and the major partner provides additional services such as reservations, ticket issuance, ground support services and gate access. We also coordinate our marketing, advertising and other promotional efforts with our major partners. During the year ended December 31, 2013, approximately 90% of our passenger revenues related to contract flights, where Delta, United, Alaska, American and US Airways controlled scheduling, ticketing, pricing and seat inventories. The remainder of our passenger revenues during the year ended December 31, 2013 related to pro-rate flights for Delta or United, where we controlled scheduling, ticketing, pricing and seat inventories, and shared revenues with Delta or United according to pro-rate formulas. The following summaries of our code-share agreements do not purport to be complete and are qualified in their entirety by reference to the applicable agreement.

SkyWest Airlines Delta Connection Agreement

        SkyWest Airlines and Delta are parties to the SkyWest Airlines Delta Connection Agreement, dated as of September 8, 2005. As of December 31, 2013, SkyWest Airlines operated 32 CRJ900s, 19 CRJ700s and 41 CRJ200s under the SkyWest Airlines Delta Connection Agreement. As of December 31, 2013, SkyWest Airlines was operating more than 500 Delta Connection flights per day between Salt Lake City, Detroit or Minneapolis and outlying destinations. Additionally, as of December 31, 2013, SkyWest Airlines operated nine Brasilia turboprops and eight CRJ200s under the Delta code under a revenue-sharing arrangement. Generally, under the SkyWest Airlines Delta Connection Agreement, Delta retains all air fares, cargo rates, mail charges and other revenues associated with each flight.

        In exchange for providing the designated number of flights and performing SkyWest Airlines' other obligations under the SkyWest Airlines Delta Connection Agreement, SkyWest Airlines is scheduled to receive from Delta on a weekly basis (i) specified fixed rate payments for each completed flight, which are intended to pay for certain costs related to the Delta Connection flights, plus (ii) a fixed dollar payment per completed flight block hour, subject to annual escalation at an agreed rate. Costs directly reimbursed by Delta under the SkyWest Airlines Delta Connection Agreement include costs primarily related to fuel, aircraft engine maintenance and aircraft ownership.

        The SkyWest Airlines Delta Connection Agreement provides that, beginning with the fifth anniversary of the execution of the agreement (September 8, 2010), Delta has the right to require that certain contractual rates under that agreement shall not exceed the second lowest rates of all carriers within the Delta Connection Program. On November 19, 2010, SkyWest Airlines reached an agreement with Delta related to the second lowest rate provisions to be applied under the SkyWest Airlines Delta

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Connection Agreement. As a result of that agreement, SkyWest Airlines and Delta have established the contractual rates which will apply under the SkyWest Airlines Delta Connection Agreement through December 31, 2015.

        The SkyWest Airlines Delta Connection Agreement is scheduled to terminate on December 31, 2022, unless Delta elects to exercise its option to extend the term for up to four additional five-year terms. The SkyWest Airlines Delta Connection Agreement is subject to early termination in various circumstances, including:

    if SkyWest Airlines or Delta commits a material breach of the SkyWest Airlines Delta Connection Agreement, subject to 30-day notice and cure rights;

    if SkyWest Airlines fails to conduct all flight operations and maintain all aircraft under the SkyWest Airlines Delta Connection Agreement in compliance in all material respects with applicable government regulations;

    if SkyWest Airlines fails to satisfy certain performance and safety requirements;

    if, under certain circumstances, Delta has a right to terminate the ExpressJet Delta Connection Agreement;

    if the other party files for bankruptcy, reorganization or similar action (subject to limitations imposed by the U.S. Bankruptcy Code) or if either party makes an assignment for the benefit of creditors; or

    if SkyWest Airlines fails to maintain competitive base rate costs (provided, however, that SkyWest Airlines has the right to adjust its rates prior to any such termination).

ExpressJet Delta Connection Agreement

        ExpressJet and Delta are parties to the ExpressJet Delta Connection Agreement, originally dated as of September 8, 2005. As of December 31, 2013, ExpressJet operated 28 CRJ900s, 41 CRJ700s and 76 CRJ200s for Delta under the ExpressJet Delta Connection Agreement. As of December 31, 2013, ExpressJet was operating approximately 700 Delta Connection flights per day between Atlanta or Detroit and outlying destinations. Under the ExpressJet Delta Connection Agreement, Delta is entitled to all passenger, cargo and other revenues associated with each flight. Commencing in 2008, ExpressJet obtained the right to maintain its percentage of total Delta Connection flights that it had in 2007, so long as its bid for additional regional flying is competitive with bids submitted by other regional carriers.

        In exchange for providing the designated number of flights and performing ExpressJet's other obligations under the ExpressJet Delta Connection Agreement, ExpressJet is scheduled to receive from Delta on a weekly basis (i) specified fixed rate payments for each completed flight, which are intended to pay for certain direct costs related to Delta Connection flights plus (ii) if ExpressJet completes a certain minimum percentage of its Delta Connection flights, an amount equal to a certain percentage of the direct costs (not including fuel costs) related to the Delta Connection flights. Costs directly reimbursed by Delta under the ExpressJet Delta Connection Agreement include costs related to fuel, ground handling, and aircraft engine maintenance and aircraft ownership. The ExpressJet Delta Connection Agreement also provides for incentive compensation based upon ExpressJet's performance, including on-time arrival performance and completion percentage rates.

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        The ExpressJet Delta Connection Agreement provides that, upon the fifth anniversary of the execution of the agreement (September 8, 2010), Delta obtained the right to require that certain contractual rates under that agreement shall not exceed the second lowest rates of all carriers within the Delta Connection Program. On November 19, 2010, ExpressJet (formerly Atlantic Southeast) reached an agreement with Delta related to the second lowest rate provisions to be applied under the ExpressJet Delta Connection Agreement. As a result of that agreement, ExpressJet and Delta have established the contractual rates which will apply under the ExpressJet Delta Connection Agreement through December 31, 2015.

        The ExpressJet Delta Connection Agreement is scheduled to terminate on September 8, 2020, unless Delta elects to exercise its option to extend the term for up to four additional five-year terms. The ExpressJet Delta Connection Agreement is subject to early termination in various circumstances including:

    if ExpressJet or Delta commits a material breach of the ExpressJet Delta Connection Agreement, subject to 30-day notice and cure rights;

    if ExpressJet fails to conduct all flight operations and maintain all aircraft under the ExpressJet Delta Connection Agreement in compliance in all material respects with applicable government regulations;

    if ExpressJet fails to satisfy certain performance and safety requirements;

    if, under certain circumstances, Delta has a right to terminate the SkyWest Airlines Delta Connection Agreement;

    if the other party files for bankruptcy, reorganization or similar action (subject to limitations imposed by the U.S. Bankruptcy Code) or if either party makes an assignment for the benefit of creditors; or

    if ExpressJet fails to maintain competitive base rate costs (provided, however, that ExpressJet has the right to adjust its rates prior to any such termination).

        During 2012, we reached an agreement with Delta to add 34 additional used dual-class Bombardier regional jet aircraft in exchange for the early termination of 66 CRJ200 aircraft under our Delta Connection Agreements. All 34 dual-class aircraft operate under the terms and conditions of the SkyWest Airlines Delta Connection Agreement regardless of whether SkyWest Airlines or ExpressJet operate the aircraft. The 34 additional aircraft consist of five CRJ700s and 29 CRJ900s. As of December 31, 2013, we had taken delivery of all 34 of the additional aircraft. The remaining lease terms of the 34 additional aircraft currently run through December 31, 2022. We anticipate that all 66 CRJ200 aircraft will be removed from the Delta Connection Agreements by December 31, 2015. Of the 66 CRJ200s scheduled to be removed from Delta operations, 41 CRJ200s are subleased from Delta for a nominal amount, which are scheduled to be returned to Delta without obligation to us.

SkyWest Airlines United Express Agreement

        SkyWest Airlines and United are parties to the SkyWest Airlines United Express Agreement entered into on July 31, 2003. As of December 31, 2013, SkyWest Airlines operated 70 CRJ700s, 78 CRJ200s and 36 Brasilia turboprops under the SkyWest Airlines United Express Agreement, flying a total of approximately 1,050 United Express flights per day between Chicago (O'Hare), Denver, Houston, Los Angeles, San Francisco or Washington Dulles and designated outlying destinations. Generally, under the SkyWest Airlines United Express Agreement, United retains all air fares, cargo rates, mail charges and other revenues associated with each flight.

        In exchange for providing the designated number of flights and performing SkyWest Airlines' obligations under the SkyWest Airlines United Express Agreement, SkyWest Airlines receives from

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United compensation (subject to an annual adjustment) of a fixed fee per completed block hour, a fixed fee per completed departure, a fixed fee per passenger, and a fixed fee for overhead and aircraft costs. The SkyWest Airlines United Express Agreement provides for incentives based upon SkyWest Airlines' performance, including on-time arrival performance and completion percentage rates. Additionally, certain of SkyWest Airlines' operating costs are reimbursed by United, including costs related to fuel and aircraft ownership. As of December 31, 2013, 27 of the 36 Brasilia turboprops and 17 of the 78 CRJ200s SkyWest Airlines operated under the SkyWest Airlines United Express Agreement were operated under a revenue-sharing arrangement. On October 16, 2009, SkyWest Airlines and United agreed to extend the right of SkyWest Airlines to operate 40 regional jet aircraft under the SkyWest Airlines United Express Agreement until the end of their respective lease terms.

        United has the option, upon twelve months prior notice, to extend the SkyWest Airlines United Express Agreement for five years. The SkyWest Airlines United Express Agreement is scheduled to terminate in 2024. The SkyWest Airlines United Express Agreement is subject to early termination in various circumstances including:

    if SkyWest Airlines or United fails to fulfill an obligation under the SkyWest Airlines United Express Agreement for a period of 60 days after written notice to cure;

    if SkyWest Airlines' operations fall below certain performance levels for a period of three consecutive months;

    subject to limitations imposed by the U.S. Bankruptcy Code, if the other party becomes insolvent, fails to pay its debts when due, takes action leading to its cessation as a going concern, makes an assignment of substantially all of its assets, or ceases or suspends operations;

    if bankruptcy proceedings are commenced against the other party (subject to limitations imposed by the U.S. Bankruptcy Code) and certain specified conditions are not satisfied; or

    if SkyWest Airlines operates, subject to certain exceptions, any additional regional jets or turboprop aircraft pursuant to a marketing or code-share relationship with any party other than United to provide hub service at United's hubs in Chicago (O'Hare), Denver, San Francisco, Seattle/Tacoma, or Washington, D.C. (Dulles International Airport).

        On May 16, 2013, SkyWest Airlines and United entered into a United Express Agreement to operate 40 new Embraer E175 dual-class regional jet aircraft. Under the agreement, we anticipate that the 40 aircraft will be introduced into service in the second quarter of 2014, with deliveries continuing to mid-2015. The United Express Agreement has a 12-year term for each of the aircraft subject to the agreement, and other terms which are generally consistent with the SkyWest Airlines United Express Agreement.

ExpressJet United CPA

        Effective November 12, 2010, ExpressJet Delaware and Continental entered into the United CPA, whereby ExpressJet Delaware agreed to provide regional airline service in the Continental flight system. The rights and obligations of ExpressJet Delaware under the United CPA became the rights and obligations of ExpressJet as a consequence of the ExpressJet Combination. The rights and obligations of Continental under the United CPA became the rights and obligations of United as a consequence of United's merger with Continental in 2010.

        The United CPA provides for a ten-year term, subject to early termination by United or ExpressJet upon the occurrence of certain events. United's termination rights include the right to terminate the United CPA if ExpressJet's performance falls below identified standards (and such failure is not cured within 60 days following receipt of notice), upon the occurrence of a labor strike lasting 15 days or longer and upon the occurrence of a material default under certain lease agreements relating to aircraft

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operated by ExpressJet under the United CPA (provided that such material default is not cured within 60 days following receipt of notice). ExpressJet's termination rights include the right to terminate the United CPA if United fails to make payment of $500,000 or more due to ExpressJet under the United CPA and such failure is not cured within five business days following receipt of notice.

        Under the terms of the United CPA, ExpressJet operates 220 ERJ145s and nine ERJ135s in the United flight system. All of the ERJ145s and ERJ 135s are leased to ExpressJet by United pursuant to sublease or lease agreements. Upon the expiration of the United CPA, ExpressJet is obligated to return the subleased or leased aircraft to United.

        Under the terms of the United CPA, United has agreed to compensate ExpressJet on a monthly basis based on the block hours flown by ExpressJet and the weighted average number of aircraft operated by ExpressJet under the United CPA. Additionally, ExpressJet may earn incentive compensation for good operating performance, but is subject to financial penalties for poor operating performance. The parties to the United CPA have made customary representations, warranties and covenants, and the United CPA contains other provisions typical of agreements of this kind, including with respect to various operational, marketing and administrative matters.

ExpressJet United Express Agreements

        ExpressJet and United are parties to two ExpressJet United Express Agreements, consisting of a United Express Agreement initially executed between ExpressJet Delaware and United, dated December 1, 2009, and a United Express Agreement initially executed between Atlantic Southeast and United, dated February 10, 2010. As of December 31, 2013, ExpressJet operated 22 ERJ145s and 14 CRJ200s under the United Express Agreements. Generally, under the ExpressJet United Express Agreements, United retains all air fares, cargo rates, mail charges and other revenues associated with each flight.

        In exchange for providing the designated number of flights and performing ExpressJet's obligations under the ExpressJet United Express Agreements, ExpressJet receives from United compensation (subject to an annual adjustment) of a fixed fee per completed block hour, fixed fee per completed departure, fixed fee per passenger and a fixed fee for overhead and aircraft costs. The ExpressJet United Express Agreements provide for incentives based upon ExpressJet's performance, including on-time arrival performance and completion percentage rates. Additionally, certain of ExpressJet's operating costs are reimbursed by United, including fuel costs.

        ExpressJet's rights to fly aircraft under the ExpressJet United Express Agreements expire in two tranches: the agreements expire with respect to 22 ERJ145s on April 30, 2015, and 14 CRJ200s during 2015. Under the agreements, United must notify ExpressJet of its intention to renew each tranche of aircraft not less than six months prior to the end of the term for such aircraft.

SkyWest Airlines American Agreement

        On September 11, 2012, SkyWest Airlines and American entered into the SkyWest Airlines American Agreement. As of December 31, 2013, SkyWest Airlines operated 12 CRJ200s under the SkyWest Airlines American Agreement, flying approximately 80 American Eagle flights per day between Los Angeles and designated outlying destinations. Generally, under the SkyWest Airlines American Agreement, American retains all air fares, cargo rates, mail charges and other revenues associated with each flight.

        In exchange for providing the designated number of flights and performing SkyWest Airlines' obligations under the SkyWest Airlines American Agreement, SkyWest Airlines receives from American compensation (subject to an annual adjustment) of a fixed fee per completed block hour, a fixed fee per completed departure, a fixed fee per passenger, and a fixed fee for overhead and aircraft costs. The

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SkyWest Airlines American Agreement provides for incentives and penalties based upon SkyWest Airlines' performance, including on-time arrival performance, completion percentage rates and customer complaints. Additionally, certain of SkyWest Airlines' operating costs are reimbursed or paid directly by American, including costs related to fuel.

        The SkyWest Airlines American Agreement is scheduled to terminate in 2016. The SkyWest Airlines American Agreement is subject to early termination in various circumstances including:

    if SkyWest Airlines or American fails to fulfill an obligation under the SkyWest Airlines American Agreement for a period of 30 days after written notice to cure;

    if SkyWest Airlines' operations fall below certain performance levels;

    subject to limitations imposed by the U.S. Bankruptcy Code, if the other party makes a general assignment for the benefit of creditors or becomes insolvent; or

    if bankruptcy proceedings are commenced against the other party (subject to limitations imposed by the U.S. Bankruptcy Code) and certain specified conditions are not satisfied.

ExpressJet American Agreement

        On September 11, 2012, ExpressJet and American entered into the SkyWest Airlines American Agreement. As of December 31, 2013, ExpressJet operated 11 CRJ200s under the ExpressJet American Agreement, flying approximately 100 American Eagle flights per day between Dallas and designated outlying destinations. Generally, under the ExpressJet American Agreement, American retains all air fares, cargo rates, mail charges and other revenues associated with each flight.

        In exchange for providing the designated number of flights and performing ExpressJet's obligations under the ExpressJet American Agreement, ExpressJet is entitled to receive from American compensation (subject to an annual adjustment) of a fixed fee per completed block hour, a fixed fee per completed departure, a fixed fee per passenger, and a fixed fee for overhead and aircraft costs. The ExpressJet American Agreement provides for incentives and penalties based upon ExpressJet's performance, including on-time arrival performance, completion percentage rates and customer complaints. Additionally, certain of ExpressJet's operating costs are reimbursed or paid directly by American, including costs related to fuel.

        The ExpressJet American Agreement is scheduled to terminate in 2017. The ExpressJet American Agreement is subject to early termination in various circumstances including:

    if ExpressJet or American fails to fulfill an obligation under the ExpressJet American Agreement for a period of 30 days after written notice to cure;

    if ExpressJet's operations fall below certain performance levels;

    subject to limitations imposed by the U.S. Bankruptcy Code, if the other party makes a general assignment for the benefit of creditors or becomes insolvent; or

    if bankruptcy proceedings are commenced against the other party (subject to limitations imposed by the U.S. Bankruptcy Code) and certain specified conditions are not satisfied.

SkyWest Airlines Alaska Capacity Purchase Agreement

        On April 13, 2011, SkyWest Airlines and Alaska entered into the SkyWest Airlines Alaska Capacity Purchase Agreement. As of December 31, 2013, SkyWest Airlines operated seven CRJ700s under the SkyWest Airlines Alaska Capacity Purchase Agreement, flying approximately 25 Alaska flights per day between Seattle or Portland and designated outlying destinations. Generally, under the SkyWest

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Airlines Alaska Capacity Purchase Agreement, Alaska retains all air fares, cargo rates, mail charges and other revenues associated with each flight.

        In exchange for providing the designated number of flights and performing SkyWest Airlines' obligations under the SkyWest Airlines Alaska Capacity Purchase Agreement, SkyWest Airlines receives from Alaska compensation (subject to an annual adjustment) of a fixed fee per completed block hour, a fixed fee per completed departure, a fixed fee per passenger, and a fixed fee for overhead and aircraft costs. Additionally, certain of SkyWest Airlines' operating costs are reimbursed or paid directly by Alaska, including costs related to fuel and aircraft ownership.

        The SkyWest Airlines Alaska Capacity Purchase Agreement is scheduled to terminate in 2018. The SkyWest Airlines Alaska Capacity Purchase Agreement is subject to early termination in various circumstances including:

    if SkyWest Airlines or Alaska fails to fulfill an obligation under the SkyWest Airlines Alaska Capacity Purchase Agreement for a period of 30 days after written notice to cure;

    if SkyWest Airlines' operations fall below certain performance levels;

    subject to limitations imposed by the U.S. Bankruptcy Code, if the other party makes a general assignment for the benefit of creditors or becomes insolvent; or

    if bankruptcy proceedings are commenced against the other party (subject to limitations imposed by the U.S. Bankruptcy Code) and certain specified conditions are not satisfied.

SkyWest Airlines US Airways Express Agreement

        On November 17, 2011, SkyWest Airlines and US Airways entered into the SkyWest Airlines US Airways Express Agreement. As of December 31, 2013, SkyWest Airlines operated 10 CRJ200s and 4 CRJ900s under the SkyWest Airlines US Airways Express Agreement, flying a total of approximately 90 US Airways Express flights per day between Phoenix and designated outlying destinations. Additionally, as of December 31, 2013, SkyWest Airlines operated one CRJ200s under a revenue-sharing arrangement. Generally, under the SkyWest Airlines US Airways Express Agreement, US Airways retains all air fares, cargo rates, mail charges and other revenues associated with each flight.

        In exchange for providing the designated number of flights and performing SkyWest Airlines' obligations under the SkyWest Airlines US Airways Express Agreement, SkyWest Airlines receives from US Airways compensation (subject to an annual adjustment) of a fixed fee per completed block hour, a fixed fee per completed departure, a fixed fee per passenger, and a fixed fee for overhead and aircraft costs. The SkyWest Airlines US Airways Express Agreement provides for incentives and penalties based upon SkyWest Airlines' performance, including on-time arrival performance and completion percentage rates. Additionally, certain of SkyWest Airlines' operating costs are reimbursed by US Airways, including costs related to fuel and insurance.

        The SkyWest Airlines US Airways Agreement is scheduled to terminate in 2015. The SkyWest Airlines US Airways Express Agreement is subject to early termination in various circumstances including:

    if SkyWest Airlines or US Airways fails to fulfill an obligation under the SkyWest Airlines US Airways Express Agreement for a period of 30 days after written notice to cure;

    if SkyWest Airlines' operations fall below certain performance levels;

    subject to limitations imposed by the U.S. Bankruptcy Code, if the other party becomes insolvent, fails to pay its debts when due, takes action leading to its cessation as a going concern, makes an assignment of substantially all of its assets, or ceases or suspends operations; or

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    if bankruptcy proceedings are commenced against the other party (subject to limitations imposed by the U.S. Bankruptcy Code) and certain specified conditions are not satisfied.

Training and Aircraft Maintenance

        SkyWest Airlines and ExpressJet employees perform substantially all routine airframe and engine maintenance and periodic inspection of equipment at their respective maintenance facilities, and provide substantially all training to SkyWest Airlines and ExpressJet crew members and maintenance personnel at their respective training facilities. SkyWest Airlines and ExpressJet also contract with third-party vendors for non-routine airframe and engine maintenance.

Fuel

        Historically, we have not experienced problems with the availability of fuel, and believe we will be able to obtain fuel in quantities sufficient to meet our existing and anticipated future requirements at competitive prices. Standard industry contracts generally do not provide protection against fuel price increases, nor do they ensure availability of supply; however, our code-share agreements with Delta, United, American, Alaska and US Airways provide for fuel used in the performance of the code-share agreements to be reimbursed by our major partners, thereby reducing our exposure to fuel price fluctuations. During the year ended December 31, 2013, United purchased the majority of the fuel for our United aircraft under contract directly from its fuel vendors; and Delta purchased the majority of the fuel for our Delta aircraft under contract directly from its fuel vendors. A substantial increase in the price of jet fuel, to the extent our fuel costs are not reimbursed, or the lack of adequate fuel supplies in the future, could have a material adverse effect on our business, financial condition, results of operations or liquidity.

Employee Matters

Railway Labor Act

        Our relations with labor unions in the U.S. are governed by the Railway Labor Act (the "RLA"). Under the RLA, a labor union seeking to represent an unrepresented craft or class of employees is required to file with the National Mediation Board (the "NMB") an application alleging a representation dispute, along with authorization cards signed by at least 35% of the employees in that craft or class. The NMB then investigates the dispute and, if it finds the labor union has obtained a sufficient number of authorization cards, conducts an election to determine whether to certify the labor union as the collective bargaining representative of that craft or class. Under the NMB's usual rules, a labor union will be certified as the representative of the employees in a craft or class only if more than 50% of those employees vote for union representation. A certified labor union then enters into negotiations toward a collective bargaining agreement with the employer.

        Under the RLA, a collective bargaining agreement between an airline and a labor union does not expire, but instead becomes amendable as of a stated date. Either party may request that the NMB appoint a federal mediator to participate in the negotiations for a new or amended agreement. If no agreement is reached in mediation, the NMB may determine, at any time, that an impasse exists and offer binding arbitration. If either party rejects binding arbitration, a 30-day "cooling off" period begins. At the end of this 30-day period, the parties may engage in "self help," unless the U.S. President appoints a Presidential Emergency Board ("PEB") to investigate and report on the dispute. The appointment of a PEB maintains the "status quo" for an additional 60 days. If the parties do not reach agreement during this period, the parties may then engage in "self help." "Self help" includes, among other things, a strike by the union or the imposition of proposed changes to the collective bargaining agreement by the airline. The U.S. Congress and the President have the authority to prevent "self help" by enacting legislation that, among other things, imposes a settlement on the parties.

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Collective Bargaining

        As of December 31, 2013, we had 18,358 full-time equivalent employees. Approximately 49% of these employees were represented by unions, including the employee groups listed in the table below. Notwithstanding the completion of the ExpressJet Combination, ExpressJet's employee groups continue to be represented by those unions who provided representation prior to the ExpressJet Combination. Accordingly, the following table refers to ExpressJet's employee groups based upon their union affiliations prior to the ExpressJet Combination.

Employee Group
  Approximate
Number of
Active Employees
Represented
  Representatives   Status of
Agreement

Atlantic Southeast Pilots

    1,800   Air Line Pilots Association International   Amendable

Atlantic Southeast Flight Attendants

    1,075   International Association of Machinists and Aerospace Workers   Amendable

Atlantic Southeast Flight Controllers

    60   Transport Workers Union of America   Amendable

Atlantic Southeast Mechanics

    700   International Brotherhood of Teamsters   Amendable

Atlantic Southeast Stock Clerks

    70   International Brotherhood of Teamsters   Amendable

ExpressJet Delaware Pilots

    2,900   Air Line Pilots Association International   Amendable

ExpressJet Delaware Flight Attendants

    1,200   International Association of Machinists and Aerospace Workers   Amendable

ExpressJet Delaware Mechanics

    1,000   International Brotherhood of Teamsters   Amendable

ExpressJet Delaware Dispatchers

    85   Transport Workers Union of America   Amendable

ExpressJet Delaware Stock Clerks

    100   International Brotherhood of Teamsters   Amendable

        The successful combination of ExpressJet Delaware and Atlantic Southeast and achievement of the anticipated benefits of our acquisition of ExpressJet Delaware will depend significantly on the results of our efforts to integrate the employee groups of Atlantic Southeast and ExpressJet Delaware and on maintaining productive employee relations. During December 2013, the Airline Pilots Association International ("ALPA"), which represents the Atlantic Southeast pilot and ExpressJet Delaware pilot groups, conducted a vote of the two employee groups, seeking approval of a joint collective bargaining agreement that ExpressJet had negotiated with ALPA representatives. The two employee groups rejected the joint collective bargaining agreement, which resulted in the agreements with those employee groups remaining amendable as indicated in the foregoing table. The decision of those employee groups to reject the joint collective bargaining agreement will preclude us from realizing some of the savings we had hoped to achieve through the ExpressJet Combination. ExpressJet intends to resume negotiations with ALPA in an effort to negotiate an acceptable agreement.

        The integration of the workforces of ExpressJet Delaware and Atlantic Southeast has been, and we anticipate it will continue to be, challenging. Completing the integration of the workforces of the two airlines will require the resolution of potentially difficult issues relating to representation of various

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work groups and the relative seniority of the work groups at each carrier. Unexpected delays or expenses or other challenges to integrating the workforces could impact the anticipated synergies from the ExpressJet Combination and affect our financial performance.

        As of December 31, 2013, SkyWest and SkyWest Airlines collectively employed 9,717 full-time equivalent employees, consisting of 5,661 pilots and flight attendants, 2,461 customer service personnel, 1,400 mechanics and other maintenance personnel, and 195 administration and support personnel. None of these employees are currently represented by a union. Collective bargaining group organization efforts among SkyWest Airlines' employees do, however, occur from time to time and we anticipate that such efforts will continue in the future. If unionization efforts are successful, we may be subjected to risks of work interruption or stoppage and/or incur additional expenses associated with increased union representation of our employees. Neither SkyWest nor SkyWest Airlines has ever experienced a work stoppage due to a strike or other labor dispute, and we consider SkyWest Airlines' relationships with its employees to be good.

Government Regulation

        All interstate air carriers, including SkyWest Airlines and ExpressJet, are subject to regulation by the U.S. Department of Transportation (the "DOT"), the FAA and other governmental agencies. Regulations promulgated by the DOT primarily relate to economic aspects of air service. The FAA requires operating, air worthiness and other certificates; approval of personnel who may engage in flight, maintenance or operating activities; record-keeping procedures in accordance with FAA requirements; and FAA approval of flight training and retraining programs. Generally, governmental agencies enforce their regulations through, among other methods, certifications, which are necessary for the continued operations of SkyWest Airlines and ExpressJet, and proceedings, which can result in civil or criminal penalties or revocation of operating authority. The FAA can also issue maintenance directives and other mandatory orders relating to, among other things, grounding of aircraft, inspection of aircraft, installation of new safety-related items and the mandatory removal and replacement of aircraft parts.

        We believe SkyWest Airlines and ExpressJet are in compliance in all material respects with FAA regulations and hold all operating and airworthiness certificates and licenses which are necessary to conduct their respective operations. We incur substantial costs in maintaining current certifications and otherwise complying with the laws, rules and regulations to which SkyWest Airlines and ExpressJet are subject. SkyWest Airlines' and ExpressJet's flight operations, maintenance programs, record keeping and training programs are conducted under FAA approved procedures. All air carriers operating in the United States of America are required to comply with federal laws and regulations pertaining to noise abatement and engine emissions. All such air carriers are also subject to certain provisions of the Federal Communications Act of 1934, as amended, because of their extensive use of radio and other communication facilities. SkyWest Airlines and ExpressJet are also subject to certain federal and state laws relating to protection of the environment, labor relations and equal employment opportunity. We believe SkyWest Airlines and ExpressJet are in compliance in all material respects with these laws and regulations.

Environmental Matters

        SkyWest, SkyWest Airlines and ExpressJet are subject to various federal, state, local and foreign laws and regulations relating to environmental protection matters. These laws and regulations govern such matters as environmental reporting, storage and disposal of materials and chemicals and aircraft noise. We are, and expect in the future to be, involved in various environmental matters and conditions at, or related to, our properties. We are not currently subject to any environmental cleanup orders or actions imposed by regulatory authorities. We are not aware of any active material environmental investigations related to our assets or properties.

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Safety and Security

        We are committed to the safety and security of our passengers and employees. Since the September 11, 2001 terrorist attacks, SkyWest Airlines and ExpressJet have taken many steps, both voluntarily and as mandated by governmental authorities, to increase the safety and security of their operations. Some of the safety and security measures we have taken with our code-share partners include: aircraft security and surveillance, positive bag matching procedures, enhanced passenger and baggage screening and search procedures, and securing of cockpit doors. We are committed to complying with future safety and security requirements.

Insurance

        SkyWest, SkyWest Airlines and ExpressJet maintain insurance policies we believe are of types customary in the industry and in amounts we believe are adequate to protect against material loss. These policies principally provide coverage for public liability, passenger liability, baggage and cargo liability, property damage, including coverage for loss or damage to our flight equipment, and workers' compensation insurance. We cannot assure, however, that the amount of insurance we carry will be sufficient to protect us from material loss.

Seasonality

        Our results of operations for any interim period are not necessarily indicative of those for the entire year, in part because the airline industry is subject to seasonal fluctuations and general economic conditions. Our operations are somewhat favorably affected by pleasure travel on our pro-rate routes, historically contributing to increased travel in the summer months, and are unfavorably affected by decreased business travel during the months from November through January and by inclement weather which can result in cancelled flights, principally during the winter months.

ITEM 1A.    RISK FACTORS

        In addition to factors discussed elsewhere in this Report, the following are important risks which could adversely affect our future results. Additional risks and uncertainties not presently known to us or that we currently do not deem material may also impair our business operations. If any of the risks we describe below occur, or if any unforeseen risk develops, our operating results may suffer, our financial condition may deteriorate, the trading price of our common stock may decline and investors could lose all or part of their investment in us.


Risks Related to Our Operations

The amounts we receive under our code-share agreements may be less than the corresponding costs we incur.

        Under our code-share agreements with Delta, United, American, Alaska and US Airways, we are compensated for certain costs we incur in providing services. With respect to costs that are defined as "pass-through" costs, our code-share partner is obligated to pay to us the actual amount of the cost. With respect to other costs, our code-share partner is obligated to pay to us amounts based, in part, on pre-determined rates for certain costs. During the year ended December 31, 2013, approximately 20% of our code-share operating costs were pass-through costs and approximately 80% of our code-share operating costs were reimbursable at pre-determined rates. These pre-determined rates may not be based on the actual expenses we incur in delivering the associated services. If we incur expenses that are greater than the pre-determined reimbursement amounts payable by our code-share partners, our financial results will be negatively affected.

        There can be no assurance that the agreed-upon rates contemplated by our code-share agreements will be higher than the costs SkyWest Airlines and ExpressJet will incur to provide the services required

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under their respective agreements. The rates and future rate adjustments could negatively affect our financial position and operating results.

Increased labor costs, strikes, labor disputes and increased unionization of our workforces may adversely affect our ability to conduct our business.

        Our business is labor intensive, requiring large numbers of pilots, flight attendants, mechanics and other personnel. Labor costs constitute a significant percentage of our total operating costs. For example, during the year ended December 31, 2013, our salary, wage and benefit costs constituted approximately 39% of our total operating costs. Increases in our labor costs could result in a material reduction in our earnings. Any new collective bargaining agreements entered into by other regional carriers with their work forces may also result in higher industry wages and increased pressure on us to increase the wages and benefits of our employees. Future agreements with unionized and non-unionized employees may be on terms that are not as attractive as our current agreements or comparable to agreements entered into by our competitors.

        Approximately 49% of our workforce is unionized. Strikes or labor disputes with our unionized employees may adversely affect our ability to conduct business. Relations between air carriers and labor unions in the U.S. are governed by the RLA, which provides that a collective bargaining agreement between an airline and a labor union does not expire, but instead becomes amendable as of a stated date. The RLA generally prohibits strikes or other types of self-help actions both before and after a collective bargaining agreement becomes amendable, unless and until the collective bargaining processes required by the RLA have been exhausted.

        SkyWest Airlines' employees are not currently represented by any union; however, collective bargaining group organization efforts among those employees occur from time to time. Such efforts will likely continue in the future and may ultimately result in some or all of SkyWest Airlines' employees being represented by one or more unions. Moreover, one or more unions representing ExpressJet employees may seek a single carrier determination by the National Mediation Board, which could require SkyWest Airlines to recognize such union or unions as the certified bargaining representative of SkyWest Airlines' employees. One or more unions representing ExpressJet employees may also assert that SkyWest Airlines' employees should be subject to ExpressJet's collective bargaining agreements. If SkyWest Airlines' employees were to unionize or be deemed to be represented by one or more unions, negotiations with unions representing SkyWest Airlines' employees could divert management attention and disrupt operations, which may result in increased operating expenses and may negatively impact our financial results. Moreover, we cannot predict the outcome of any future negotiations relating to union representation or collective bargaining agreements. Agreements reached in collective bargaining may increase our operating expenses and negatively impact our financial results.

The integration of the Atlantic Southeast and ExpressJet Delaware workforces will present significant challenges, including the possibility of labor-related disagreements that may adversely affect our operations.

        The successful integration of Atlantic Southeast and ExpressJet Delaware and achievement of the anticipated benefits of the ExpressJet Merger largely depend upon the successful combination of the former employee groups of Atlantic Southeast and ExpressJet Delaware, and on maintaining productive employee relations. The integration of the workforces of the two airlines will require the resolution of potentially difficult issues relating to representation of various employee groups and the relative seniority of the employee groups at each carrier. Unexpected delays, expenses or other challenges to integrating the workforces could impact the anticipated synergies from the combination of Atlantic Southeast and ExpressJet Delaware and affect ExpressJet's operations and financial performance.

        In order to integrate the former employee groups of Atlantic Southeast and ExpressJet Delaware, ExpressJet must negotiate a joint collective bargaining agreement covering each combined employee

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group. The process for integrating the former labor groups of ExpressJet Delaware and Atlantic Southeast is governed by a combination of the RLA, the McCaskill-Bond Amendment, and where applicable, the existing provisions of each company's collective bargaining agreements and union policy. Pending operational integration, ExpressJet will apply the terms of the existing collective bargaining agreements unless other terms have been negotiated. Under the McCaskill-Bond Amendment, seniority integration must be accomplished in a "fair and equitable" manner consistent with the process set forth in the Allegheny-Mohawk Labor Protective Provisions or internal union merger policies, if applicable. Employee dissatisfaction with the results of the seniority integration may lead to litigation that in some cases could delay implementation of the integrated seniority list. The National Mediation Board has exclusive authority to resolve representation disputes arising out of airline mergers.

        During December 2013, ALPA, which represents the Atlantic Southeast pilot and ExpressJet Delaware pilot groups, conducted a vote of the two employee groups, seeking approval of a joint collective bargaining agreement that ExpressJet had negotiated with ALPA representatives. The two employee groups rejected the joint collective bargaining agreement, which resulted in the agreements with those employee groups remaining amendable. The decision of those employee groups to reject the joint collective bargaining agreement will preclude us from realizing some of the savings we had hoped to achieve through the ExpressJet Combination.

        We can provide no assurance that a successful or timely resolution of labor negotiations for the former labor groups of Atlantic Southeast and ExpressJet Delaware will be achieved. There is a risk that unions or individual employees might pursue judicial or arbitral claims arising out of changes implemented as a result of the ExpressJet Combination. There is also a possibility that employees or unions could engage in job actions such as slow-downs, work-to-rule campaigns, sick-outs or other actions designed to disrupt ExpressJet's normal operations, in an attempt to pressure ExpressJet in collective bargaining negotiations. Although the RLA makes such actions unlawful until the parties have been lawfully released to self-help, and ExpressJet can seek injunctive relief against premature self-help, such actions can cause significant harm even if ultimately enjoined.

The Airline Safety and Pilot Training Improvement Act of 2009 could negatively affect our operations and our financial condition.

        The Airline Safety and Pilot Training Improvement Act of 2009 (the "Improvement Act") was enacted in August of 2010 and became effective August 2013. The Improvement Act adds new certification requirements for entry-level commercial pilots, requires additional emergency training, improves availability of pilot records and mandates stricter rules to minimize pilot fatigue.

        The Improvement Act also:

    Requires that all airline pilots obtain an Airline Transport Pilot license, which was previously only required for captains.

    Mandates that the FAA set up a new database of pilot records, including records to be provided by airlines and other sources, so that airlines will have access to more information before they hire pilots.

    Requires the FAA to issue new regulations governing the airlines' obligations to submit pilot records and the requirements for airlines to obtain access for information in the database before the database portion of the Improvement Act becomes effective.

    Directs the FAA to rewrite the rules for how long pilots are allowed to work and how much rest they must have before working.

        The implementation of the Improvement Act (and associated regulations) may increase our compliance and FAA reporting obligations, have a negative effect on pilot scheduling, work hours and

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the number of pilots required to be employed for our operations or other aspects of our operations, and negatively impact our operations and financial condition.

The supply of pilots to the airline industry may be limited.

        On July 8, 2013, as was directed by the U.S. Congress, FAA issued more robust, new pilot qualification standards, granting recognition of historical FAA and airline industry crew member flight training standards. With the application of the new rules, the supply of qualified pilot candidates eligible for hiring by the airline industry has been dramatically reduced. If, we are unable to secure the services of sufficient eligible pilots to staff our routes, our operations and financial results could be materially affected.

        New student pilot certificates have decreased dramatically, especially in the past three years, and subsequently the pool of eligible pilots qualified to be new hires into the airline industry has been diminishing significantly. In addition, the major network air carriers have done only minimal pilot hiring in the past several years because of the industry capacity reduction following the events of September 11, 2001, the most recent economic recession that began in the fall of 2008, and the increase in statutory mandatory retirement age for pilots from age 60 to age 65. Due to revised pilot duty time rules that are effective January of 2014, there has been an acceleration of pilot staffing in recent months which on its own merits, should be a one-time increase in pilot staffing amongst all air carriers affected by FAR part 117. Also effective January 2014, mandatory pilot retirement rules will again begin to force major network carriers to hire replacement pilots.

        The current pilot shortage may increase training costs and we may not have enough pilots to conduct our operations. The lack of qualified pilots to conduct our operations would negatively impact our operations and financial condition.

We are highly dependent on Delta and United.

        As of December 31, 2013, we had 703 aircraft out of our total 757 aircraft operating under a fixed fee contract or a revenue sharing agreement with either Delta or United. If our code-share agreements with Delta or United are terminated, we would be significantly impacted and likely would not have an immediate source of revenue or earnings to offset such loss. A termination of either of these agreements would likely have a material adverse effect on our financial condition, operating revenues and net income unless we are able to enter into satisfactory substitute arrangements for the utilization of the affected aircraft by other code-share partners, or, alternatively, obtain the airport facilities and gates and make the other arrangements necessary to fly as an independent airline. We may not be able to enter into substitute code-share arrangements, and any such arrangements we might secure may not be as favorable to us as our current agreements. Operating our airlines independent from major partners would be a significant departure from our business plan, would likely be very difficult and would likely require significant time and resources, which may not be available to us at that point.

        The current terms of the SkyWest Airlines and ExpressJet Delta Connection Agreements are subject to certain early termination provisions. Delta's termination rights include cross-termination rights (meaning that a breach by either of SkyWest Airlines or ExpressJet of its Delta Connection Agreement could, under certain circumstances, permit Delta to terminate any or all of the Delta Connection Agreements), the right to terminate each of the agreements upon the occurrence of certain force majeure events (including certain labor-related events) that prevent SkyWest Airlines or ExpressJet from performance for certain periods and the right to terminate each of the agreements if SkyWest Airlines or ExpressJet, as applicable, fails to maintain competitive base rate costs, subject to certain rights of SkyWest Airlines to take corrective action to reimburse Delta for lost revenues. The current terms of the SkyWest Airlines and ExpressJet United Express Agreements are subject to certain early termination provisions and subsequent renewals. United may terminate the SkyWest Airlines and

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ExpressJet United Express Agreements due to an uncured breach by SkyWest Airlines or ExpressJet of certain operational or performance provisions, including measures and standards related to flight completions, baggage handling and on-time arrivals. The current terms of the United CPA are subject to certain early termination provisions and subsequent renewals. United may terminate the United CPA due to an uncured breach by ExpressJet of certain operational and performance provisions, including measures and standards related to flight completions and on-time arrivals.

        We currently use the systems, facilities and services of Delta and United to support a significant portion of our operations, including airport and terminal facilities and operations, information technology support, ticketing and reservations, scheduling, dispatching, fuel purchasing and ground handling services. If Delta or United were to cease any of these systems, close any of these facilities or no longer provide these services to us, due to termination of one of our code-share agreements, a strike or other labor interruption by Delta or United personnel or for any other reason, we may not be able to replace those systems, facilities or services on terms and conditions as favorable as those we currently receive, or at all. Since our revenues and operating profits are dependent on our level of flight operations, we could then be forced to significantly reduce our operations. Furthermore, upon certain terminations of our code-share agreements, Delta and United could require us to sell or assign to them facilities and assets, including maintenance facilities, we use in connection with the code-share services we provide. As a result, in order to offer airline service after termination of any of our code-share agreements, we may have to replace these facilities, assets and services. We may be unable to arrange such replacements on satisfactory terms, or at all.

Maintenance costs will likely continue to increase as the age of our regional jet fleet increases.

        The average age of our CRJ200s, ERJ145s, CRJ700s and CRJ900s is approximately 12.1 years, 12.0 years, 8.6 years and 6.1 years respectively. All of the parts on these aircraft are no longer under warranty and we have started to incur more heavy airframe inspections and engine overhauls on those aircraft. Our non-engine maintenance costs are expected to continue to increase on our CRJ200, ERJ145, CRJ700 and CRJ900 fleets. Our-non engine maintenance costs will increase significantly, both on an absolute basis and as a percentage of our operating expenses, as our fleet ages. If our maintenance costs increase at a higher rate than amounts we can recover in revenue, we will have a negative impact on our financial results.

We may be negatively impacted if Delta or United experiences significant financial difficulties in the future.

        For the year ended December 31, 2013 approximately 94.5% of the available seat miles ("ASMs") generated in our operations were attributable to our code-share agreements with Delta and United. If Delta or United experiences significant financial difficulties, we would likely be negatively affected. For example, volatility in fuel prices may negatively impact Delta's and United's results of operations and financial condition. Among other risks, Delta and United are vulnerable both to unexpected events (such as additional terrorist attacks or additional spikes in fuel prices) and to deterioration of the operating environment (such as a recession or significant increased competition). There is no assurance that Delta or United will be able to operate successfully under these financial conditions.

        In light of the importance of our code-share agreements with Delta and United to our business, a default by Delta or United under any of these agreements, or the termination of these agreements could jeopardize our operations. Such events could leave us unable to operate many of our current aircraft, as well as additional aircraft we are obligated to purchase, which would likely result in a material adverse effect on our operations and financial condition.

        The financial condition of Delta and United will continue to pose risks for our operations. Serial bankruptcies are not unprecedented in the commercial airline industry, and Delta and/or United could file for bankruptcy, in which case our code-share agreements could be subject to termination under the

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U.S. Bankruptcy Code. Regardless of whether subsequent bankruptcy filings prove to be necessary, Delta and United have required, and will likely continue to require, our participation in efforts to reduce costs and improve their respective financial positions. These efforts could result in lower utilization rates of our aircraft, lower departure rates on the contract flying portion of our business, more volatile operating margins and more aggressive contractual positions, which could result in additional litigation. We believe that any of these developments could have a negative effect on many aspects of our operations and financial condition.

SkyWest Airlines and ExpressJet are engaged in litigation with Delta, which may negatively impact our financial results and our relationship with Delta

        During the quarter ended December 31, 2007, Delta notified SkyWest, SkyWest Airlines and Atlantic Southeast of a dispute under the Delta Connection Agreements executed by Delta with SkyWest Airlines and Atlantic Southeast. The dispute relates to the allocation of liability for certain irregular operation ("IROP") expenses paid by SkyWest Airlines and Atlantic Southeast to their passengers and vendors under certain situations. During the period between the execution of the Delta Connection Agreements in September 2005 and December 2007, SkyWest Airlines and Atlantic Southeast passed through to Delta IROP expenses that were paid pursuant to Delta's policies, and Delta accepted and reimbursed those expenses. Delta now claims it is obligated to reimburse only a fraction of the IROP expenses. As a result, Delta withheld a combined total of approximately $25 million (pre-tax) from one of the weekly scheduled wire payments to SkyWest Airlines and Atlantic Southeast during December 2007. Since December 2007, Delta has continued to withhold payments from the weekly scheduled wire payments to SkyWest Airlines and Atlantic Southeast (now ExpressJet), and has disputed subsequent billings for IROP expenses. Since July 1, 2008, we have not recognized revenue related to IROP expense reimbursements withheld by Delta because collection of those reimbursements is the subject of litigation and is not reasonably assured. As of December 31, 2013, we had recognized a cumulative total of $31.7 million of revenue associated with the funds withheld by Delta prior to July 1, 2008.The current status of the litigation with Delta is summarized below in Item 3. Legal Proceedings.

        There can be no assurance that the dispute between SkyWest Airlines and ExpressJet, on the one hand, and Delta, on the other hand, will be resolved consistent with the position taken by SkyWest Airlines and ExpressJet. If the dispute is not resolved consistent with the position taken by SkyWest Airlines and ExpressJet, our financial results would be negatively impacted. The litigation may have other negative effects on our relationship with Delta and our operations under the existing Delta Connection Agreements.

Disagreements regarding the interpretation of our code-share agreements with our major partners could have an adverse effect on our operating results and financial condition.

        SkyWest, SkyWest Airlines and ExpressJet are parties to code-share agreements with Delta and United. For the year ended December 31, 2013, approximately 94.5% of our ASMs were attributable to flights we flew under those agreements. We anticipate that, for the foreseeable future, substantially all of our revenues will be generated under existing or future code-share agreements.

        Contractual agreements, such as our code-share agreements, are subject to interpretation and disputes may arise under such agreements if the parties to an agreement apply different interpretations to that agreement. Those disputes may divert management time and resources from the core operation of the business, and may result in litigation, arbitration or other forms of dispute resolution.

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        In recent years we have experienced disagreements with our major partners regarding the interpretation of various provisions of our code-share agreements. Some of those disagreements have resulted in litigation (see the preceding risk factor entitled "SkyWest Airlines and ExpressJet are engaged in litigation with Delta, which may negatively impact our financial results and our relationship with Delta"), and we may be subject to additional disputes and litigation in the future. Those disagreements have also required a significant amount of management time and financial resources.

        To the extent that we continue to experience disagreements regarding the interpretation of our code-share or other agreements, we will likely expend valuable management time and financial resources in our efforts to resolve those disagreements. Those disagreements may result in litigation, arbitration or other proceedings. Furthermore, there can be no assurance that any or all of those proceedings, if commenced, would be resolved in our favor. An unfavorable result in any such proceeding could have adverse financial consequences or require us to modify our operations. Such disagreements and their consequences could have an adverse effect on our operating results and financial condition.

We may not receive FAA approval to add the Embraer ERJ175 aircraft type to the SkyWest Airlines' operating certificate

        The FAA regulates the safety of SkyWest Airlines' and ExpressJet's operations. SkyWest Airlines is in the process of obtaining FAA authorization to add the Embraer ERJ175 aircraft type ("E175") to SkyWest Airlines' operating certificate. SkyWest Airlines has executed an agreement with Embraer regarding the delivery dates for the E175s, beginning in 2014. SkyWest Airlines has also entered into a code share agreement with United which would engage SkyWest Airlines to operate 40 E175s for United. If the FAA does not approve the addition of the E175 aircraft type to SkyWest Airlines' certificate before the scheduled in-service date with United, SkyWest Airlines could be in breach of its code-share agreement with United and many aspects of our operations and financial condition could be impacted.

We have a significant amount of contractual obligations.

        As of December 31, 2013, we had a total of approximately $1.5 billion in total long-term debt obligations. Substantially all of this long-term debt was incurred in connection with the acquisition of aircraft, engines and related spare parts. We also have significant long-term lease obligations primarily relating to our aircraft fleet. These leases are classified as operating leases and therefore are not reflected as liabilities in our consolidated balance sheets. At December 31, 2013, we had 570 aircraft under lease, with remaining terms ranging from one to 13 years. Future minimum lease payments due under all long-term operating leases were approximately $1.9 billion at December 31, 2013. At a 5.8% discount factor, the present value of these lease obligations was equal to approximately $1.5 billion at December 31, 2013. Our high level of fixed obligations could impact our ability to obtain additional financing to support additional expansion plans or divert cash flows from operations and expansion plans to service the fixed obligations.

Our fleet replacement will require a significant increase in our leverage and the related cash outflows.

        We currently have 260 CRJ200s with an average life of 12.1 years, 242 ERJ145s with an average life of 12 years and 45 Brasilia turboprops with an average life of 16.5 years. We anticipate that over the next several years, we will continue to replace these aircraft with large regional jets or turboprops. Our fleet replacement strategy will require significant amounts of capital to acquire these large regional jets or turboprops.

        There can be no assurance that our operations will generate sufficient cash flow or liquidity to enable us to obtain the necessary aircraft acquisition financing to replace our current fleet, or to make

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required debt service payments related to our existing obligations. Even if we meet all required debt, lease, and purchase obligations, the size of these long-term obligations could negatively affect our financial condition, results of operations, and the price of our common stock in many ways, including:

    increasing the cost, or limiting the availability of, additional financing for working capital, acquisitions or other purposes;

    limiting the ways in which we can use our cash flow, much of which may have to be used to satisfy debt and lease obligations; and

    adversely affecting our ability to respond to changing business or economic conditions or continue our growth strategy.

        If we need additional capital and cannot obtain such capital on acceptable terms, or at all, we may be unable to realize our fleet replacement plans or take advantage of unanticipated opportunities

We may be limited from expanding our flying within the Delta and United flight systems, and there are constraints on our ability to provide airline services to airlines other than Delta and United.

        Additional growth opportunities within the Delta and United flight systems are limited by various factors. Except as currently contemplated by our existing code-share agreements, we cannot assure that Delta and United will contract with us to fly any additional aircraft. We may not receive additional growth opportunities, or may agree to modifications to our code-share agreements that reduce certain benefits to us in order to obtain additional aircraft, or for other reasons. Given the troubled nature of the airline industry, we believe that some of our competitors may be more inclined to accept reduced margins and less favorable contract terms in order to secure new or additional code-share operations. Even if we are offered growth opportunities by our major partners, those opportunities may involve economic terms or financing commitments that are unacceptable to us. Any one or more of these factors may reduce or eliminate our ability to expand our flight operations with our existing code-share partners. We also cannot provide any assurance that we will be able to obtain the additional ground and maintenance facilities, including gates, and support equipment, to expand our operations. The failure to obtain these facilities and equipment would likely impede our efforts to implement our business strategy and could materially and adversely affect our operating results and our financial condition.

        Our business model depends on major airlines, including Delta and United, electing to contract with us instead of operating their own regional jets. Some major airlines own their own regional airlines or operate their own regional jets instead of entering into contracts with regional carriers. We have no guarantee that in the future our code-share partners will choose to enter into contracts with us instead of operating their own regional jets. Our partners are not prohibited from doing so under our code-share agreements. A decision by Delta or United to phase out code-share relationships and instead acquire and operate their own regional jets could have a material adverse effect on our financial condition, results of operations or the price of our common stock.

        Additionally, our code-share agreements limit our ability to provide airline services to other airlines in certain major airport hubs of each of Delta and United. Under the SkyWest Airlines Delta Connection Agreement, our growth is contractually restricted in Atlanta, Cincinnati, Orlando and Salt Lake City. Under the ExpressJet Delta Connection Agreement, our growth is restricted in Atlanta, Cincinnati, New York (John F. Kennedy International Airport), Orlando and Salt Lake City. Under the SkyWest Airlines United Express Agreement, growth is restricted in Chicago (O'Hare International Airport), Denver, San Francisco, Seattle/Tacoma and Washington D.C. (Dulles International Airport). Due to the fluctuations in our schedules, which are established primarily by our major partners, there may be times that the number of flights we fly to and from a particular airport may exceed the limitations set forth in one or more of our code-share agreements. The breach of those limitations

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could constitute a breach of the applicable code-share agreement, which could have a material adverse effect on our operations.

We could be adversely affected by an outbreak of a disease that affects travel behavior.

        In 2010, there was an outbreak of the H1N1 flu virus which had an adverse impact throughout our network. In 2003, there was an outbreak of Severe Acute Respiratory Syndrome ("SARS"), which had an adverse impact on travel behavior. In addition, in the past there have been concerns about outbreaks or potential outbreaks of other diseases, such as avian flu. Any outbreak of a disease (including a worsening of the outbreak of the H1N1 flu virus) that affects travel behavior could have a material adverse impact on our operating results and financial condition. In addition, outbreaks of disease could result in quarantines of our personnel or an inability to access facilities or our aircraft, which could adversely affect our operations and financial condition.

Interruptions or disruptions in service at one of our hub airports, due to adverse weather or for any other reason, could have a material adverse impact on our operations.

        We currently operate primarily through hubs in Atlanta, Los Angeles, Houston, Minneapolis, Detroit, San Francisco, Salt Lake City, Chicago, Denver, Houston, Washington, D.C., Newark, Cleveland and the Pacific Northwest. Nearly all of our flights either originate from or fly into one of these hubs. Our revenues depend primarily on our completion of flights and secondarily on service factors such as timeliness of departure and arrival. Any interruptions or disruptions could, therefore, severely and adversely affect us. Extreme weather can cause flight disruptions, and, during periods of storms or adverse weather, fog, low temperatures, etc., our flights may be canceled or significantly delayed. Hurricanes Katrina and Rita and Superstorm Sandy, in particular, caused severe disruption to air travel in the affected areas and adversely affected airlines operating in the region, including ExpressJet. We operate a significant number of flights to and from airports with particular weather difficulties, including Atlanta, Salt Lake City, Chicago, San Francisco, Newark and Denver. A significant interruption or disruption in service at one of our hubs, due to adverse weather or otherwise, could result in the cancellation or delay of a significant portion of our flights and, as a result, could have a severe adverse impact on our, operations and financial performance.

Economic and industry conditions constantly change, and negative economic conditions in the United States and other countries may create challenges for us that could materially and adversely affect our operations and financial condition.

        Our operations and financial condition are affected by many changing economic and other conditions beyond our control, including, among others:

    disruptions in the credit markets, which have resulted in greater volatility, less liquidity, widening of credit spreads, and decreased availability of financing;

    actual or potential changes in international, national, regional and local economic, business and financial conditions, including recession, inflation, higher interest rates, wars, terrorist attacks or political instability;

    changes in consumer preferences, perceptions, spending patterns or demographic trends;

    changes in the competitive environment due to industry consolidation and other factors;

    actual or potential disruptions to U.S. air traffic control systems;

    outbreaks of diseases that affect travel behavior; and

    weather and natural disasters.

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        The aggregate effect of any, or some combination, of the foregoing economic and industry conditions on our operations or financial condition is virtually impossible to forecast; however, the occurrence of any or all of such conditions in a significant manner could materially and adversely affect our operations and financial condition.

We have been adversely affected by increases in fuel prices, and we would be adversely affected by disruptions in the supply of fuel.

        Dependence on foreign imports of crude oil, limited refining capacity and the possibility of changes in government policy on jet fuel production, transportation and marketing make it impossible to predict the future availability of jet fuel. If there are additional outbreaks of hostilities or other conflicts in oil-producing areas or elsewhere, or a reduction in refining capacity (due to weather events, for example), or governmental limits on the production or sale of jet fuel, there could be a reduction in the supply of jet fuel and significant increases in the cost of jet fuel. Major reductions in the availability of jet fuel or significant increases in its cost, or a continuation of current high prices for a significant period of time, would have a material adverse impact on us.

        Pursuant to our contract flying arrangements, our major partners have agreed to bear the economic risk of fuel price fluctuations on our contracted flights. We bear the economic risk of fuel price fluctuations on our pro-rate operations. As of December 31, 2013, essentially all of our Brasilia turboprops flown for Delta were flown under pro-rate arrangements, while approximately 58% of our Brasilia turboprops flown in the United system were flown under pro-rate arrangements. As of December 31, 2013, we operated 17 CRJ200s under a pro-rate agreement with United. We also operate eight CRJ200 under a pro-rate agreement with Delta and one CRJ200 under a pro-rate arrangement with US Airways. Our operating and financial results with respect to these pro-rate arrangements can be affected by the price and availability of jet fuel and in the event we are unable to pass on increased fuel prices to our pro-rate customers by increasing fares our financial performance would be adversely impacted.

Reduced utilization levels of our aircraft under our code-share agreements would adversely impact our financial results.

        The majority of our code-share agreements set forth minimum levels of flight operations which our major partners are required to schedule for our operations and we are required to provide. These minimum flight operating levels are intended to compensate us for reduced operating efficiencies caused by production decreases made by our major partners under our respective code-share agreements. Generally, our major partners have utilized our flight operations at levels which exceed the minimum levels set forth in our code-share agreements, however, in recent years our major partners have reduced our utilization to levels which, at times, have been lower than the levels required by our code-share agreements. If our major partners schedule the utilization of our aircraft below historical levels (including taking into account the stage length and frequency of our scheduled flights), we may not be able to maintain operating efficiencies previously obtained, which would negatively impact our operating results and financial condition. Additionally, our major partners may change routes and frequencies of flights, which can shorten flight trip lengths. Changes in schedules may increase our flight costs, which could exceed the reimbursed rates paid by our major partners. Continued reduced utilization levels of our aircraft or other changes to our schedules under our code-share agreements would adversely impact our financial results.

There are long-term risks related to supply and demand of regional aircraft associated with our regional airline services strategy.

        Our major airline partners have indicated that their committed supply of regional airline capacity is larger than they desire given current market conditions. Specifically, they have identified an

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oversupply of 50-seat regional jets under contractual commitments with regional airlines. Delta in particular has reduced both the number of 50-seat regional jets within its network and the number of regional airlines with which it contracts. There are currently more than 300 50-seat aircraft within the Delta Connection system. In addition to reducing the number of 50-seat jets under contract, major airlines have reduced the utilization of regional aircraft, thereby reducing the revenue paid to regional airlines under capacity purchase agreements (See the risk factor titled "Reduced utilization levels of our aircraft under our code-share agreements would adversely impact our financial results" for additional details). This decrease has had, and may continue to have, a negative impact on our regional airline services revenue and financial results.

Declining interest rates could have a negative effect on our financial results.

        Our earnings are affected by changes in interest rates due to the amount of our variable rate long-term debt and the amount of cash and securities we hold. Under our contractual arrangements with our major partners, we are directly reimbursed for interest expense on debt-financed aircraft as a pass-through cost. The reimbursement of the interest expense is recorded as passenger revenue in our consolidated statements of income. Thus, a decline in interest expense associated with contract aircraft would likely be offset by a reduced aircraft ownership cost passed through to our major partners. Interest expense decreased $8.7 million, or 11.3%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The decrease in interest expense was substantially due to a decrease in interest rates and the majority of this reduction was passed through to our major partners. Interest income decreased $4.2 million, or 53.5% during the year ended December 31, 2013, compared to the year ended December 31, 2012. Interest income is not a component of our contractual arrangements with our major partners. If interest rates were to decline, our major partners would receive the principal benefit of the interest expense decline, since interest expense is generally passed through to our major partners; however, if declining interest rates reduce our interest income, our financial results will be negatively affected.

Our insurance costs have increased and further increases in insurance costs or reductions in coverage could have an adverse impact on us.

        We carry insurance for public liability, passenger liability, property damage and all-risk coverage for damage to our aircraft. As a result of terrorist attacks occurring during recent years, aviation insurers significantly reduced the amount of insurance coverage available to commercial air carriers for liability to persons other than employees or passengers for claims resulting from acts of terrorism, war or similar events (war-risk coverage). At the same time, these insurers significantly increased the premiums for aviation insurance in general.

        The U.S. government has agreed to provide commercial war-risk insurance for U.S.-based airlines through December 31, 2014, covering losses to employees, passengers, third parties and aircraft. If the U.S. government ceases to provide such insurance beyond that date, or reduces the coverage provided by such insurance, we will attempt to purchase insurance coverage, likely with a narrower scope, from commercial insurers at an additional cost. To the extent this coverage is not available at commercially reasonable rates, we would be adversely affected.

        While the price of commercial insurance has generally declined since the period immediately after the 2001 terrorist attacks, in the event commercial insurance carriers further reduce the amount of insurance coverage available to us, or significantly increase the cost of obtaining such coverage, we would be adversely affected.

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We are increasingly dependent on technology, and if our technology fails or we are unable to continue to invest in new technology, our business may be adversely affected.

        We have become increasingly dependent on technology initiatives to reduce costs and to enhance customer service in order to compete in the current business environment. The performance and reliability of our technology are critical to our ability to compete effectively. Technology initiatives will continue to require significant capital investments in order to deliver these expected benefits. If we are unable to make these investments, our business and operations could be negatively affected. In addition, we may face challenges associated with integrating complex technology systems formerly operated by Atlantic Southeast and ExpressJet Delaware. If we are unable to manage these challenges effectively, our business and operations could be negatively affected.

        In addition, any internal technological error or failure or large scale external interruption in the technology infrastructure we depend on, such as power, telecommunications or the internet, may disrupt our internal network. Any individual, sustained or repeated failure of technology could impact our customer service and result in increased costs. Like most companies, our technology systems and related data may be vulnerable to a variety of sources of interruption due to events beyond our control, including natural disasters, terrorist attacks, telecommunications failures, computer viruses, hackers and other security issues. While we have in place, and continue to invest in, technology security initiatives and disaster recovery plans, these measures may not be adequate or implemented properly to prevent a business disruption and mitigate the resulting adverse financial consequences.

Our business could be harmed if we lose the services of our key personnel.

        Our business depends upon the efforts of our chief executive officer, Jerry C. Atkin, and our other key management and operating personnel. We may have difficulty replacing management or other key personnel who cease to be employed by us and, therefore, the loss of the services of any of these individuals could harm our business. We do not maintain key-man insurance on any of our executive officers.


Risks Related to the Airline Industry

We may be materially affected by uncertainties in the airline industry.

        The airline industry has experienced tremendous challenges in recent years and will likely remain volatile for the foreseeable future. Among other factors, the financial challenges faced by major and regional carriers, including American, United, US Airways, Endevor and Mesa, the slowing U.S. economy and continuing hostilities in the Middle East and other regions have significantly affected, and are likely to continue to affect, the U.S. airline industry. These events have resulted in declines and shifts in passenger demand, increased insurance costs, increased government regulations and tightened credit markets, all of which have affected, and will continue to affect, the operations and financial condition of participants in the industry, including us, major carriers (including our major partners), low-cost carriers, competitors and aircraft manufacturers. These industry developments raise substantial risks and uncertainties, which will affect us, major carriers (including our major partners), competitors and aircraft manufacturers in ways that we are unable to currently predict.

The airline industry is highly competitive and has undergone a period of consolidation and transition leaving fewer potential code-share partners.

        The airline industry is highly competitive. We not only compete with other regional airlines, some of which are owned by or operated as code-share partners of major airlines, but we also face competition from low-cost carriers and major airlines on many of our routes. Low-cost carriers such as Southwest, JetBlue, US Airways and Frontier among others, operate at many of our hubs, resulting in significant price competition. Additionally, a large number of other carriers operate at our hubs,

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creating intense competition. Certain of our competitors are larger and have significantly greater financial and other resources than we do. Moreover, federal deregulation of the industry allows competitors to rapidly enter our markets and to quickly discount and restructure fares. The airline industry is particularly susceptible to price discounting because airlines incur only nominal costs to provide service to passengers occupying otherwise unsold seats. Increased fare competition could adversely affect our operations and the price of our common stock. The airline industry has undergone substantial consolidation, and it may in the future undergo additional consolidation. Recent examples include the merger between American and US Airways in December 2013, United and Continental in October 2010, Delta and Northwest Airlines, Inc. in November 2008, as well as the merger of Southwest and AirTran Airways, Inc. ("AirTran") during 2011. We understand that several airlines are currently in discussions related to consolidation in the industry. Other developments include domestic and international code-share alliances between major carriers. Any additional consolidation or significant alliance activity within the airline industry could limit the number of potential partners with whom we could enter into code-share relationships and could have a material adverse effect on our relationships with our code-share partners.

        Due, in part, to the dynamic nature of the airline industry, major airlines may also make other strategic changes such as changing or consolidating hub locations. If our major partners were to make changes such as these in their strategy and operations, our operations and financial results could be adversely impacted.

Terrorist activities or warnings have dramatically impacted the airline industry, and will likely continue to do so.

        The terrorist attacks of September 11, 2001 and their aftermath have negatively impacted the airline industry in general, including our operations. The primary effects experienced by the airline industry include a substantial loss of passenger traffic and revenue. Although, to some degree, airline passenger traffic and revenue have recovered since the September 11th attacks, additional terrorist attacks could have a similar or even more pronounced effect. Even if additional terrorist attacks are not launched against the airline industry, there will be lasting consequences of the attacks, including increased security and insurance costs, increased concerns about future terrorist attacks, increased government regulation and airport delays due to heightened security. Additional terrorist attacks and the fear of such attacks could negatively impact the airline industry, and result in further decreased passenger traffic and yields, increased flight delays or cancellations associated with new government mandates, as well as increased security, fuel and other costs. We cannot provide any assurance that these events will not harm the airline industry generally or our operations or financial condition in particular.

We are subject to significant governmental regulation.

        All interstate air carriers, including SkyWest Airlines and ExpressJet, are subject to regulation by the DOT, the FAA and other governmental agencies. Regulations promulgated by the DOT primarily relate to economic aspects of air service. The FAA requires operating, air worthiness and other certificates; approval of personnel who may engage in flight, maintenance or operation activities; record keeping procedures in accordance with FAA requirements; and FAA approval of flight training and retraining programs. We cannot predict whether we will be able to comply with all present and future laws, rules, regulations and certification requirements or that the cost of continued compliance will not have a material adverse effect on our operations. We incur substantial costs in maintaining our current certifications and otherwise complying with the laws, rules and regulations to which we are subject. A decision by the FAA to ground, or require time-consuming inspections of or maintenance on, all or any of our aircraft for any reason may have a material adverse effect on our operations. In addition to state and federal regulation, airports and municipalities enact rules and regulations that affect our operations. From time to time, various airports throughout the country have considered limiting the use of smaller aircraft, such as our aircraft, at such airports. The imposition of any limits on the use of our aircraft at any airport at which we operate could have a material adverse effect on our operations.

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The occurrence of an aviation accident involving our aircraft would negatively impact our operations and financial condition.

        An accident or incident involving one of our aircraft could result in significant potential claims of injured passengers and others, as well as repair or replacement of a damaged aircraft and its consequential temporary or permanent loss from service. In the event of an accident, our liability insurance may not be adequate to offset our exposure to potential claims and we may be forced to bear substantial losses from the accident. Substantial claims resulting from an accident in excess of our related insurance coverage would harm our operational and financial results. Moreover, any aircraft accident or incident, even if fully insured, could cause a public perception that our operations are less safe or reliable than other airlines.


Risks Related to Our Common Stock

We can issue additional shares without shareholder approval.

        Our Restated Articles of Incorporation, as amended (the "Restated Articles"), authorize the issuance of up to 120,000,000 shares of common stock, all of which may be issued without any action or approval by our shareholders. As of December 31, 2013, we had 51,230,066 shares outstanding. In addition, as of December 31, 2013, we had equity-based incentive plans under which 3,918,545 shares are reserved for issuance and an employee stock purchase plan under which 1,555,794 shares are reserved for issuance, both of which may dilute the ownership interest of our shareholders. Our Restated Articles also authorize the issuance of up to 5,000,000 shares of preferred stock. Our board of directors has the authority to issue preferred stock with the rights and preferences, and at the price, which it determines. Any shares of preferred stock issued would likely be senior to shares of our common stock in various regards, including dividends, payments upon liquidation and voting. The value of our common stock could be negatively affected by the issuance of any shares of preferred stock.

The amount of dividends we pay may decrease or we may not pay dividends.

        Historically, we have paid dividends in varying amounts on our common stock. The future payment and amount of cash dividends will depend upon our financial condition and results of operations, loan covenants and other factors deemed relevant by our board of directors. There can be no assurance that we will continue our practice of paying dividends on our common stock or that we will have the financial resources to pay such dividends.

The amount of common stock we repurchase may decrease from historical levels, or we may not repurchase any shares of common stock.

        Historically, we have repurchased shares of our common stock in varying amounts. Our future repurchases of shares of common stock, if any, and the number of shares of common stock we may repurchase will depend upon our financial condition, results of operations, loan covenants and other factors deemed relevant by our Board of Directors. There can be no assurance that we will continue our practice of repurchasing shares of common stock or that we will have the financial resources to repurchase shares of common stock in the future.

Provisions of our charter documents and code-share agreements may limit the ability or desire of others to gain control of our company.

        Our ability to issue shares of preferred and common stock without shareholder approval may have the effect of delaying or preventing a change in control and may adversely affect the voting and other rights of the holders of our common stock, even in circumstances where such a change in control would be viewed as desirable by most investors. The provisions of the Utah Control Shares Acquisitions Act may also discourage the acquisition of a significant interest in or control of our company. Additionally,

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our code-share agreements contain termination and extension trigger provisions related to change in control type transactions that may have the effect of deterring a change in control of our company.

ITEM 1B.    UNRESOLVED STAFF COMMENTS

        None

ITEM 2.    PROPERTIES

Flight Equipment

        As of December 31, 2013, our fleet consisted of the following types of owned and leased aircraft:

Aircraft Type
  Number of
Owned
Aircraft
  Number of
Leased
Aircraft
  Passenger
Capacity
  Scheduled
Flight
Range (miles)
  Average
Cruising
Speed (mph)
  Average
Age (years)
 

CRJ200s

    87     173     50     1,500     530     12.1  

CRJ700s

    69     68     70     1,600     530     8.6  

CRJ900s

    11     53     90     1,500     530     6.1  

ERJ145s

        242     50     1,500     530     12.0  

ERJ135s

        9     37     1,500     530     12.6  

Brasilia Turboprops

    20     25     30     300     300     16.5  

        The following table outlines the currently anticipated size and composition of our combined fleet for the periods indicated. The projected fleet size schedule below assumes aircraft financed under operating leases will be returned to the lessor at the end of each lease and debt-financed aircraft will be retired or sold as the debt matures.

 
  As of December 31,  
 
  2014   2015   2016   2017  

Additional aircraft deliveries

                         

E175

    25     15          

 

 
  As of December 31,  
 
  2014   2015   2016   2017  

Anticipated fleet size

                         

Total Bombardier Regional Jets

    407     385     348     305  

Total Embraer Regional Jets

    241     197     197     179  

Total Brasilia Turboprops

    26     23     12     11  

Total Combined Fleet

    674     605     557     495  

    Bombardier and Embraer Regional Jets

        The Bombardier and Embraer Regional Jets are among the quietest commercial jets currently available and offer many of the amenities of larger commercial jet aircraft, including flight attendant service, as well as a stand-up cabin, overhead and under seat storage, lavatories and in-flight snack and beverage service. The speed of Bombardier and Embraer Regional Jets is comparable to larger aircraft operated by the major airlines, and they have a range of approximately 1,600 miles; however, because of their smaller size and efficient design, the per-flight cost of operating a Bombardier or Embraer Regional Jet is generally less than that of a 120-seat or larger jet aircraft.

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    Brasilia Turboprops

        The Brasilia turboprops are 30-seat, pressurized aircraft designed to operate more economically over short-haul routes than larger jet aircraft. These factors make it economically feasible for SkyWest Airlines to provide high frequency service in markets with relatively low volumes of passenger traffic. Passenger comfort features of the Brasilia turboprops include stand-up headroom, a lavatory, overhead baggage compartments and flight attendant service. We expect that Delta and United will want us to continue to operate Brasilia turboprops in markets where passenger load and other factors make the operation of a regional jet impractical. As of December 31, 2013, SkyWest Airlines operated 45 Brasilia turboprops out of Los Angeles, San Francisco, Salt Lake City, Seattle/Tacoma and Portland. SkyWest Airlines' Brasilia turboprops are generally used in its California markets, which are characterized by high frequency service on shorter stage lengths.

Ground Facilities

        SkyWest, SkyWest Airlines and ExpressJet own or lease the following principal properties:

    SkyWest Facilities

    We own the corporate headquarters facilities of SkyWest and SkyWest Airlines, located in St. George, Utah, which consist of two adjacent buildings of 63,000 and 55,000 square feet, respectively.

    SkyWest Airlines Facilities

    SkyWest Airlines owns a 56,600 square foot aircraft maintenance facility in Palm Springs, California.

    SkyWest Airlines leases a 131,300 square foot facility at the Salt Lake International Airport. This facility consists of a 58,400 square-foot aircraft maintenance hangar and a 72,900 square-foot training and office facility. In January 2002, SkyWest Airlines entered into a sale lease-back agreement with the Salt lake City Department of Airports. SkyWest Airlines is leasing the facility under an operating lease arrangement over a 26-year term.

    SkyWest Airlines leases a 90,000 square foot aircraft maintenance and training facility at the Salt Lake City International Airport. The Salt Lake City facility consists of 40,000 square feet of maintenance facilities and 50,000 square feet of training and other facilities. We originally constructed the Salt Lake City facility and subsequently sold it to and leased it back from the Salt Lake City Airport Authority. SkyWest Airlines is leasing the facility under an operating lease arrangement over a 36-year term.

    SkyWest Airlines owns a 55,000 square-foot maintenance accessory shop and a 5,000 square-foot office facility in Salt Lake City, Utah.

    SkyWest Airlines leases a 90,000 square-foot maintenance hangar and a 15,000 square-foot office facility in Fresno, California.

    SkyWest Airlines leases a 70,000 square-foot maintenance hangar in Tucson, Arizona.

    SkyWest Airlines leases a 70,000 square-foot hangar and office facility in Milwaukee, Wisconsin.

    SkyWest Airlines leases a 28,000 square-foot hangar and office facility in Nashville, Tennessee.

    SkyWest Airlines owns a 57,000 square-foot maintenance facility and a 28,000 square-foot office facility in Chicago, Illinois.

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    SkyWest Airlines owns a 55,000 square-foot hangar and a 46,000 square-foot office facility in Colorado Springs, Colorado.

    SkyWest Airlines leases a 42,000 square-foot maintenance hangar facility in South Bend, Indiana.

    ExpressJet Facilities

    ExpressJet leases an aircraft hangar complex consisting of 203,000 square feet of building space. The complex also contains a 15,000 square-foot ground service equipment facility. The 203,000 square-foot building space consists of a 114,000 square foot aircraft maintenance hangar, 18,000 square-foot training facility, and 71,000 square feet of renovated office space which is utilized to support various operating divisions and ExpressJet's Operational Control Center. The lease agreement for the aircraft hangar complex has a 25-year term and is scheduled to expire on April 30, 2033.

    ExpressJet leases a 20,000 square-foot facility at the Hartsfield-Jackson Atlanta International Airport which serves as ExpressJet's corporate headquarters. The lease agreement for this facility has a seven-year term and is scheduled to expire on July 31, 2018.

    ExpressJet leases a group of warehouse units for the purpose of parts storage in College Park, Georgia. The 14,000 square feet of warehouse space is leased on a month-to-month basis.

    ExpressJet leases an aircraft hangar complex located at the Middle Georgia Regional Airport. The complex includes a 77,000 square-foot aircraft hangar facility and 41,000 square feet of training and office space. The lease agreement has a sixteen-year term and is scheduled to expire on April 1, 2018. ExpressJet has subleased the hangar complex to an unrelated aircraft maintenance provider; however ExpressJet remains obligated for payment and other obligations of the lease under the lease agreement.

    ExpressJet leases an aircraft hangar complex located at the Baton Rouge Metropolitan Airport District. The complex includes a 27,000 square-foot hangar facility and 12,000 square feet of office support space. ExpressJet has the right to occupy the Baton Rouge facility rent-free until 2022.

    ExpressJet leases a 35,000 square-foot hangar facility in Columbia, South Carolina. The lease agreement has a five-year term and is scheduled to expire on June 30, 2015.

    ExpressJet leases 34 gates and other premises of the Central Passenger Terminal Complex located on Concourse C and Concourse D at Hartsfield-Jackson Atlanta International Airport. The lease agreement is scheduled to expire on September, 20, 2017.

    ExpressJet leases a 91,000 square-foot aircraft maintenance facility in Cleveland, Ohio. The lease agreement is scheduled to expire on January 30, 2015.

    ExpressJet leases a 64,000 square-foot aircraft maintenance facility in Richmond, Virginia. The lease agreement is scheduled to expire on January 30, 2014.

    ExpressJet leases a 152,000 square-foot hangar, and a 29,000 square-foot shop facility in Shreveport, Louisiana. The lease agreement for the hangar facility and the lease for the shop facility are on a month-to-month basis.

    ExpressJet leases a 83,000 square-foot hangar, and a 25,000 square-foot shop facility in Knoxville, Tennessee. The lease agreement for the hangar facility is scheduled to expire on November 30, 2020, and the lease for the shop facility is on a month-to-month basis.

    ExpressJet leases a 380,000 square-foot hangar and office support space in Houston, Texas. The lease agreement is scheduled to expire on December 31, 2015.

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    ExpressJet leases a 68,000 square-foot facility in Houston, Texas. ExpressJet has subleased the building to an unrelated aircraft maintenance provider; however ExpressJet remains obligated for payment and other obligations of the lease under the lease agreement which is scheduled to expire on October 2, 2016.

    ExpressJet leases a 57,000 square-foot training center and support space in Houston, Texas. The lease agreement is scheduled to expire on December 31, 2027.

    ExpressJet owns three buildings in Saltillo, Mexico consisting of approximately 96,000 square feet of hangar space and 3,000 square feet of administrative space. These buildings are leased to Saltillo Jet Center S. de R.L. de C.V., a subsidiary of ExpressJet, for use in its aircraft painting business.

    ExpressJet leases a 27,225 square-foot aircraft maintenance hangar in Kansas City, Missouri. The lease agreement is scheduled to expire on November 30, 2016.

Our management deems the current facilities of SkyWest, SkyWest Airlines and ExpressJet as being suitable to support existing operations and believes these facilities will be adequate for the foreseeable future.

ITEM 3.    LEGAL PROCEEDINGS

        We are subject to certain legal actions which we consider routine to our business activities. As of December 31, 2013, our management believed, after consultation with legal counsel, that the ultimate outcome of such legal matters was not likely to have a material adverse effect on our financial position, liquidity or results of operations. However, the following is a significant outstanding legal matter, which if not resolved consistent with the position we have taken in such matters, would negatively impact our financial results.

SkyWest Airlines and ExpressJet v. Delta

        During the quarter ended December 31, 2007, Delta notified SkyWest, SkyWest Airlines and Atlantic Southeast (now ExpressJet) of a dispute under the Delta Connection Agreements executed by Delta with SkyWest Airlines and Atlantic Southeast. The dispute relates to the allocation of liability for certain irregular operation ("IROP") expenses paid by SkyWest Airlines and Atlantic Southeast (now ExpressJet) to their passengers and vendors under certain situations. During the period between the execution of the Delta Connection Agreements in September 2005 and December 2007, SkyWest Airlines and Atlantic Southeast passed through to Delta IROP expenses that were paid pursuant to Delta's policies, and Delta accepted and reimbursed those expenses. Delta now claims it is obligated to reimburse only a fraction of the IROP expenses. As a result, Delta withheld a combined total of approximately $25 million (pre-tax) from one of the weekly scheduled wire payments to SkyWest Airlines and Atlantic Southeast during December 2007. Since December 2007, Delta has continued to withhold payments from the weekly scheduled wire payments to SkyWest Airlines and Atlantic Southeast (now ExpressJet), and has disputed subsequent billings for IROP expenses. On February 1, 2008, SkyWest Airlines and Atlantic Southeast filed a Complaint in the Superior Court for Fulton County, Georgia ("Superior Court") challenging Delta's treatment of the matter and seeking recovery of the payments withheld by Delta and any future withholdings related to this issue. Delta filed an Answer to the SkyWest Airlines and Atlantic Southeast Complaint and a Counterclaim against SkyWest Airlines and Atlantic Southeast on March 24, 2008. Delta's Counterclaim alleged that SkyWest Airlines and Atlantic Southeast breached the Delta Connection Agreements by invoicing Delta for IROP expenses that were paid pursuant to Delta's policies, and claims only a portion of those expenses may be invoiced to Delta. Since July 1, 2008, we have not recognized revenue related to IROP expense reimbursements withheld by Delta because collection of those reimbursements is the subject of

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litigation and is not reasonably assured. As of December 31, 2013, we had recognized a cumulative total of $31.7 million of revenue associated with the funds withheld by Delta.

        After proceedings that included contested motions, document discovery, and depositions, Delta voluntarily dismissed its Counterclaim. Discovery in that action was not complete at the time of dismissal. On February 14, 2011, SkyWest Airlines and Atlantic Southeast voluntarily dismissed their claims in the Superior Court, and filed a new complaint (the "State Court Complaint") in the Georgia State Court of Fulton County (the "State Court"). The claims continue to include breach of contract, breach of contract based on mutual departure, breach of contract based on voluntary payment, and breach of the duty of good faith and fair dealing. Delta moved for partial dismissal of the State Court Complaint, which motion was denied in its entirety.

        Discovery in the State Court lawsuit has concluded. On July 19, 2013, the parties filed cross motions for partial summary judgment. SkyWest Airlines and ExpressJet filed a motion for partial summary judgment on their claim for voluntary payment. Delta filed a motion for partial summary judgment on all of SkyWest's and ExpressJet's claims, for partial summary judgment on the issue of damages, and for spoliation sanctions. Briefing of the cross motions is complete, but no hearing has been scheduled by the Court. SkyWest and ExpressJet intend to oppose Delta's motions and continue to vigorously pursue their claims set forth in the State Court Complaint.

        As of December 31, 2013, our estimated range of reasonably possible loss related to the dispute was $0 to $25.8 million.

ITEM 4.    MINE SAFETY DISCLOSURES

        The disclosure required by this item is not applicable.

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PART II

ITEM 5.    MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Market Price for Our Common Stock

        Our common stock is traded on The Nasdaq Global Select Market under the symbol "SKYW." At February 3, 2014, there were approximately 888 stockholders of record of our common stock. Securities held of record do not include shares held in securities position listings. The following table sets forth the range of high and low closing sales prices for our common stock, during the periods indicated.

 
  2013   2012  
Quarter
  High   Low   High   Low  

First

    16.10     12.32     14.05     10.81  

Second

    16.11     13.19     11.04     6.36  

Third

    15.54     12.39     10.87     6.31  

Fourth

    17.05     13.57     12.94     10.36  

        The transfer agent for our common stock is Zions First National Bank, Salt Lake City, Utah.

Dividends

        During 2013 and 2012, our Board of Directors declared regular quarterly dividends of $0.04 per share.

Securities Authorized for Issuance Under Equity Compensation Plans

        The following table contains information regarding our equity compensation plans as of December 31, 2013.

Plan Category
  Number of Securities to be
Issued upon Exercise of
Outstanding Options,
Warrants and Rights
  Weighted-Average
Exercise Price of
Outstanding
Options,
Warrants and
Rights
  Number of Securities
Remaining Available for
Future Issuance under
Equity Compensation
Plans (Excluding
Securities Reflected in
the First Column)
 

Equity compensation plans approved by security holders(1)

    3,407,575   $ 17.99     5,474,439  

(1)
Consists of our Executive Stock Incentive Plan, our All Share Stock Option Plan, our SkyWest Inc. Long Term Incentive Plan, and our Employee Stock Purchase Plan. See Note 9 to our Consolidated Financial Statements for the fiscal year ended December 31, 2013, included in Item 8 of this Report, for additional information regarding these plans.

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Stock Performance Graph

        The following Performance Graph and related information shall not be deemed "soliciting material" or "filed" with the Securities and Exchange Commission,(the "Commission"), nor shall such information be incorporated by reference into any future filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent we specifically incorporate it by reference into such filing.

        The following graph compares the cumulative total shareholder return on our common stock over the five-year period ended December 31, 2013, with the cumulative total return during such period of the Nasdaq Stock Market (U.S. Companies) and a peer group index composed of regional and major passenger airlines with U.S operations that have equity securities traded on the Nasdaq Stock Market or the New York Stock Exchange, the members of which are identified below (the "Peer Group") for the same period. The following graph assumes an initial investment of $100.00 with dividends reinvested. The stock performance shown on the graph below represents historical stock performance and is not necessarily indicative of future stock price performance.


Comparison of Cumulative Five Year Total Return

GRAPHIC

 
  INDEXED RETURNS  
 
   
  Years Ending  
 
  Base
Period
Dec08
 
Company Name / Index
  Dec09   Dec10   Dec11   Dec12   Dec13  

SkyWest, Inc

    100     92.06     85.96     70.10     70.33     84.66  

NASDAQ Composite

    100     145.32     171.50     170.08     199.76     279.90  

Peer Group

    100     102.75     124.45     87.57     115.00     214.05  

        The Peer Group consists of regional and major passenger airlines with U.S operations that have equity securities traded on the Nasdaq Stock Market or the New York Stock Exchange. The members of the Peer Group are: Alaska Air Group, Inc.: Allegiant Travel Co.; American Airlines Group, Inc.; Delta Air Lines, Inc.; Hawaiian Holdings, Inc.; JetBlue Airways, Corp.; Republic Airways, Holdings Inc.; SkyWest, Inc. Southwest Airlines, Spirit Airlines Inc.; United Continental Holdings, Inc.; and US Airways Group, Inc.

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ITEM 6.    SELECTED FINANCIAL DATA

        The following selected financial and operating data should be read in conjunction with "Management's Discussion and Analysis of Financial Condition and Results of Operations," and our consolidated financial statements and related notes included elsewhere in this Report.

Selected Consolidated Financial Data (amounts in thousands, except per share data):

 
  Year Ended December 31,  
 
  2013   2012   2011   2010(2)   2009  

Operating revenues

  $ 3,297,725   $ 3,534,372   $ 3,654,923   $ 2,765,145   $ 2,613,614  

Operating income

    153,111     165,987     41,105     201,826     212,195  

Net income (loss)

    58,956     51,157     (27,335 )   96,350     83,658  

Net income (loss) per common share:

                               

Basic

  $ 1.14   $ 1.00   $ (0.52 ) $ 1.73   $ 1.50  

Diluted

  $ 1.12   $ 0.99   $ (0.52 ) $ 1.70     1.47  

Weighted average shares:

                               

Basic

    51,688     51,090     52,201     55,610     55,854  

Diluted

    52,422     51,746     52,201     56,526     56,814  

Total assets

    4,233,219     4,254,637   $ 4,281,908   $ 4,456,148   $ 4,310,802  

Current assets

    1,464,437     1,434,040     1,280,464     1,379,203     1,254,099  

Current liabilities

    620,464     591,425     624,148     572,278     449,835  

Long-term debt, net of current maturities

    1,293,179     1,470,567     1,606,993     1,738,936     1,816,318  

Stockholders' equity

    1,434,939     1,387,175     1,334,261     1,420,923     1,352,219  

Return (loss) on average equity(1)

    4.2 %   3.8 %   (2.0 )%   6.9 %   6.4 %

Cash dividends declared per common share

  $ 0.16   $ 0.16   $ 0.16   $ 0.16   $ 0.16  

(1)
Calculated by dividing net income (loss) by the average of beginning and ending stockholders' equity for the year.

(2)
On November 12, 2010, we completed the ExpressJet Merger for $136.5 million in cash. Our 2010 consolidated operating revenues contain 50 days of additional revenue and expenses generated subsequent to the ExpressJet Merger.

Selected Operating Data

 
  Year Ended December 31,  
 
  2013   2012   2011   2010   2009  

Block hours

    2,380,118     2,297,014     2,250,280     1,547,562     1,363,257  

Departures

    1,453,601     1,435,512     1,390,523     1,001,766     870,761  

Passengers carried

    60,581,948     58,803,690     55,836,271     40,411,089     34,544,772  

Revenue passenger miles (000)

    31,834,735     30,088,278     29,109,039     20,227,220     17,448,958  

Available seat miles (000)

    39,207,910     37,278,554     36,698,859     25,503,845     22,142,650  

Revenue per available seat mile

    8.4¢     9.5¢     10.0¢     10.8¢     11.8¢  

Cost per available seat mile

    8.2¢     9.2¢     10.1¢     10.4¢     11.2¢  

Average passenger trip length

    525     512     521     501     505  

Number of operating aircraft at end of year

    755     738     732     704     449  

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        The following terms used in this section and elsewhere in this Report have the meanings indicated below:

        "Revenue passenger miles" represents the number of miles flown by revenue passengers.

        "Available seat miles" represents the number of seats available for passengers multiplied by the number of miles those seats are flown.

        "Revenue per available seat mile" represents passenger revenue divided by available seat miles.

        "Cost per available seat mile" represents operating expenses plus interest divided by available seat miles.

        "Number of operating aircraft at end of year" excludes aircraft leased to un-affiliated and affiliated entities.

ITEM 7.    MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

        The following discussion and analysis presents factors that had a material effect on our results of operations during the years ended December 31, 2013, 2012 and 2011. Also discussed is our financial position as of December 31, 2013 and 2012. You should read this discussion in conjunction with our consolidated financial statements, including the notes thereto, appearing elsewhere in this Report or incorporated herein by reference. This discussion and analysis contains forward-looking statements. Please refer to the sections of this Report entitled "Cautionary Statement Concerning Forward-looking Statements" and "Item 1A. Risk Factors" for discussion of some of the uncertainties, risks and assumptions associated with these statements.

Overview

        Through SkyWest Airlines and ExpressJet, we operate the largest regional airline in the United States. As of December 31, 2013, SkyWest Airlines and ExpressJet offered scheduled passenger and air freight service with approximately 4,000 total daily departures to destinations in the United States, Canada, Mexico and the Caribbean. As of December 31, 2013, we had a combined fleet of 757 aircraft consisting of the following:

 
  CRJ200   ERJ145   ERJ135   CRJ700   CRJ900   EMB120   Total  

United

    92     242     9     70         36     449  

Delta

    125             60     60     9     254  

American

    23                         23  

US Airways

    11                 4         15  

Alaska

                7             7  

Subleased to an un-affiliated entity

    2                         2  

Unassigned

    7                         7  
                               

Total

    260     242     9     137     64     45     757  

        For the year ended December 31, 2013, approximately 60.9% of our aggregate capacity was operated for United, approximately 33.6% was operated for Delta, approximately 1.3% was operated for Alaska, approximately 1.6% was operated for US Airways and approximately 2.6% was operated for American.

        Under a fixed-fee flying arrangement, the major airline generally pays the regional airline a fixed fee for each departure, with additional incentives based on completion of flights, on-time performance and baggage handling performance. In addition, the major airline and regional airline often enter into an arrangement pursuant to which the major airline bears the risk of changes in the price of fuel and

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other such costs that are passed through to the major airline partner. Regional airlines benefit from a fixed-fee arrangement because they are sheltered from many of the elements that could cause volatility in airline financial performance, including variations in ticket prices, passenger loads and fuel prices. However, regional airlines in fixed-fee arrangements do not benefit from positive trends in ticket prices, passenger loads or fuel prices and, because the major airline absorbs many of the costs associated with the regional airline flight, the margin between the fixed fees for a flight and the expected per-flight costs tends to be smaller than the margins associated with revenue-sharing arrangements.

        Under our fixed-fee arrangements, three compensation components have a significant impact on comparability of revenue and operating expense for the periods presented in this Report. One item is the reimbursement of fuel expense, which is a directly-reimbursed expense under all of our fixed-fee arrangements. If we purchase fuel directly from vendors, our major partners reimburse us for fuel expense incurred under each respective fixed-fee contract, and we record such reimbursement as passenger revenue. Thus, the price volatility of fuel and the volume of fuel expensed under our fixed-fee arrangements during a particular period will impact our fuel expense and our passenger revenue during the period equally, with no impact on our operating income. Over the past few years, some of our major airline partners have purchased an increased volume of fuel directly from vendors on flights we operated under our flying contracts, which also impacts the comparability of revenue and operating expense for the periods presented in this Report.

        The second item is the reimbursement of landing fees and station rents, which is a directly-reimbursed expense under all of our fixed-fee arrangements. Our major partners reimburse us for landing fees and station rent expense incurred under each respective fixed-fee contract, and we record such reimbursement as passenger revenue. Over the past few years, some of our major airline partners have paid an increased volume of landing fees and station rents directly to our vendors on flights we operated under our flying contracts, which also impacts the comparability of revenue and operating expense for the periods presented in this Report.

        The third item is the compensation we receive for engine maintenance under our fixed-fee arrangements. Under our United, American, US Airways and Alaska flying contracts, a portion of our compensation is based upon fixed hourly rates the aircraft is in operation, which is intended to compensate us for engine maintenance costs ("Fixed-Rate Engine Contracts"). Under the compensation structure for our Delta Connection and United CPA flying contracts, our major partner reimburses us for engine maintenance expense when the expense is incurred ("Directly-Reimbursed Engine Contracts"). We use the direct-expense method of accounting for our CRJ200 regional jet aircraft engine overhaul costs and, accordingly, we recognize engine maintenance expense on our CRJ200 engines on an as-incurred basis. Under the direct-expense method, the maintenance liability is recorded when the maintenance services are performed ("CRJ200 Engine Overhaul Expense").

        Because we use the direct-expense method of accounting for our CRJ200 engine expense, and because we recognize revenue using the applicable fixed hourly rates under our Fixed-Rate Engine Contracts, the number of engine maintenance events and related expense we incur each reporting period under the Fixed-Rate Engine Contracts has a direct impact on the comparability of our operating income for the presented reporting periods.

        Because we recognize revenue at the same amount and in the same period when we incur engine maintenance expense on engines operating under our Directly-Reimbursed Engine Contracts, the number of engine events and related expense we incur each reporting period does not have a direct impact on the comparability of our operating income for the presented reporting periods.

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        We have an agreement with a third-party vendor to provide long-term engine maintenance covering scheduled and unscheduled repairs for engines on our CRJ700s operating under our Fixed-Rate Engine Contracts (a "Power by the Hour Agreement"). Under the terms of the Power by the Hour Agreement, we are obligated to pay a set dollar amount per engine hour flown on a monthly basis and the vendor assumes the obligation to repair the engines at no additional cost to us, subject to certain specified exclusions. Thus, under the Power by the Hour Agreement, we expense the engine maintenance costs as flight hours are incurred on the engines and using the contractual rate set forth in the agreement. Because we record engine maintenance expense based on the fixed hourly rate pursuant to the Power by the Hour Agreement on our CRJ700s operating under our Fixed-Rate Engine Contracts, and because we recognize revenue using the applicable fixed hourly rates under our Fixed-Rate Engine Contracts, the number of engine events and related expense we incur each reporting period does not have a direct impact on the comparability of our operating income for the presented reporting periods. The table below summarizes how we are compensated by our major partners under our flying contracts for engine expense and the method we use to recognize the corresponding expense.

Flying Contract
  Compensation of Engine Expense   Expense Recognition

SkyWest Delta Connection

  Directly-Reimbursed Engine Contracts   Direct Expense Method

ExpressJet Delta Connection

  Directly-Reimbursed Engine Contracts   Direct Expense Method

SkyWest United Express (CRJ200)

  Fixed-Rate Engine Contracts   Direct Expense Method

SkyWest United Express (CRJ700)

  Fixed-Rate Engine Contracts   Power by the Hour Agreement

SkyWest United Express (EMB120)

  Fixed-Rate Engine Contracts   Deferral Method

ExpressJet United Express (CRJ200)

  Fixed-Rate Engine Contracts   Direct Expense Method

ExpressJet United Express (ERJ145)

  Fixed-Rate Engine Contracts   Power by the Hour Agreement

ExpressJet United CPA

  Directly-Reimbursed Engine Contracts   Power by the Hour Agreement

Alaska Agreement

  Fixed-Rate Engine Contracts   Power by the Hour Agreement

American Eagle Agreement (CRJ200)

  Fixed-Rate Engine Contracts   Direct Expense Method

US Airways Express (CRJ200 / CRJ900)

  Fixed-Rate Engine Contracts   Direct Expense Method

        Historically, multiple contractual relationships with major airlines have enabled us to reduce our reliance on any single major airline code and to enhance and stabilize operating results through a mix of contract flying and our controlled or "pro-rate" flying. For the year ended December 31, 2013, contract flying revenue and pro-rate revenue represented approximately 90% and 10%, respectively, of our total passenger revenues. On contract routes, the major airline partner controls scheduling, ticketing, pricing and seat inventories and we are compensated by the major airline partner at contracted rates based on completed block hours, flight departures and other operating measures.

Financial Highlights

        We had total operating revenues of $3.3 billion for the year ended December 31, 2013, a 6.7% decrease, compared to total operating revenues of $3.5 billion for the year ended December 31, 2012. We had a net income of $59.0 million, or $1.12 per diluted share, for the year ended December 31, 2013, compared $51.2 million or $0.99 per diluted share, for the year ended December 31, 2012.

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        The significant items affecting our financial performance during the year ended December 31, 2013 are outlined below:

Revenue

        Under certain of our flying contracts, certain expenses are subject to direct reimbursement from our major partners and we record such reimbursements as passenger revenue. These reimbursed expenses include fuel, landing fees, station rents and certain engine maintenance expenses. Our fuel expense, landing fees, station rents and directly-reimbursed engine expense decreased by $331.0 million, during the year ended December 31, 2013, from the year ended December 31, 2012, due primarily to (i) our major partners purchasing an increased volume of fuel, landing fees and station rents directly from vendors on flights we operated under our code-share agreements and (ii) a reduction in the number of engine maintenance events. Excluding the impact of the decrease in direct fuel, landing fees, station rents and engine maintenance expense and associated reimbursements from our major partners, our passenger revenues increased $102.9 million for the year ended December 31, 2013, compared to the year ended December 31, 2012, which was primarily due to an increase of approximately 83,000 hours of block-hour production primarily resulting from an increase in the fleet from 744 aircraft at December 31, 2012 to 757 aircraft at December 31, 2013.

Operating Expenses

        Aircraft maintenance, materials and repair expense, excluding engine overhaul reimbursement from our major partners and CRJ200 engine overhauls reimbursed at a fixed hourly rate increased $78.5 million, or 17.6%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase in aircraft maintenance, materials and repair expense, excluding engine overhaul costs, for the year ended December 31, 2013, compared to the year ended December 31, 2012, was primarily due to an increase in the number of scheduled maintenance events and the replacement and repair of aircraft parts and components at ExpressJet and SkyWest Airlines.

        Because we use the direct-expense method of accounting for our CRJ200 engines and because we recognize revenue using the applicable fixed hourly rates under our Fixed-Rate Engine Contracts, the number of engine maintenance events and related expense we incur each reporting period operating under the Fixed-Rate Engine Contracts has a direct impact on the comparability of our operating income for the presented reporting periods. The CRJ200 Engine Overhaul Expense we incurred under the Fixed-Rate Engine Contracts decreased $15.8 million during the year ended December 31, 2013, compared to the year ended December 31, 2012. The decrease in CRJ200 Engine Overhaul Expense was primarily due to a reduction in the number of scheduled engine maintenance events during the year ended December 31, 2013.

        Salaries, wages and employee benefits increased $39.6 million, or 3.4%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase in salaries, wages and employee benefits was primarily due to an increase in crew and mechanic wages attributable to increased departures and block-hour production and due to an increase in health insurance and workers compensation expenses.

Other Items

        Other, net included in Other Income (Expense), increased $21.0 million during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase was primarily attributable to the termination of our aircraft sub-lease with Air Mekong, and our recognition of $5.1 million of other income primarily due to the maintenance deposits we collected during the year ended December 31, 2013 and sale of our shares of Air Mekong. In conjunction with the sale of the Air Mekong shares, we recognized a gain of $5.0 million. During the year ended December 31, 2012,

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we incurred other expense primarily consisting of losses from our equity investments in Trip Linhas Aereas, a regional airline operating in Brazil ("Trip") and Mekong Aviation Joint Stock Company, an airline operating in Vietnam ("Air Mekong").

        The items identified above were the principal factors that contributed to the improvement in our financial results during the year ended December 31, 2013, compared to the year ended December 31, 2012.

        During 2012, we reached an agreement with Delta to add 34 additional used dual-class Bombardier regional jet aircraft to our operations in exchange for the early termination of 66 CRJ200 aircraft under our Delta Connection Agreements. The additional dual-class aircraft were previously operated for Delta by other regional carriers. We have agreed to sublease the 34 additional dual-class aircraft from Delta for a nominal amount. The 34 additional aircraft consist of five CRJ700s and 29 CRJ900s. As of September 30, 2013, we had taken delivery of all 34 additional aircraft. We anticipate that all 66 CRJ200 aircraft will be removed from the Delta Connection Agreements by December 31, 2015. Of the 66 CRJ200s scheduled to be removed, 41 CRJ200s are subleased from Delta for a nominal amount, and are scheduled to be returned to Delta without obligation to us.

        On May 16, 2013, SkyWest Airlines and United entered into a United Express Agreement to operate 40 new Embraer E175 dual-class regional jet aircraft. Under the agreement, we anticipate that the 40 aircraft will be introduced into service beginning in the second quarter of 2014, with deliveries continuing to mid-2015. The United Express Agreement has a 12-year term for each of the aircraft subject to the agreement, and other terms which are generally consistent with the SkyWest Airlines United Express Agreement.

        The Airline Safety and Pilot Training Improvement Act of 2009 (the "Improvement Act") was enacted in August of 2010 and became effective August 2013. The Improvement Act adds new certification requirements for entry-level commercial pilots, requires additional emergency training, provides for increased availability of pilot records and mandates stricter rules to minimize pilot fatigue.

        The implementation of the Improvement Act (and associated regulations) will increase our compliance and FAA reporting obligations, have a negative effect on pilot scheduling, work hours or other aspects of our operations, and negatively impact our operations and financial condition. As a consequence of the implementation of the Improvement Act, we anticipate that our crew costs will increase during 2014.

Critical Accounting Policies

        Our significant accounting policies are summarized in Note 1 to our consolidated financial statements for the year ended December 31, 2013, included in Item 8 of this Report. Critical accounting policies are those policies that are most important to the preparation of our consolidated financial statements and require management's subjective and complex judgments due to the need to make estimates about the effect of matters that are inherently uncertain. Our critical accounting policies relate to revenue recognition, aircraft maintenance, aircraft leases, impairment of long-lived assets and intangibles, stock-based compensation expense and fair value as discussed below. The application of these accounting policies involves the exercise of judgment and the use of assumptions as to future uncertainties and, as a result, actual results will differ, and could differ materially from such estimates.

Revenue Recognition

        Passenger and ground handling revenues are recognized when service is provided. Under our contract and pro-rate flying agreements with our code-share partners, revenue is considered earned when the flight is completed. Our agreements with our code-share partners contain certain provisions

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pursuant to which the parties could terminate the respective agreement, subject to certain rights of the other party, if certain performance criteria are not maintained. Our revenues could be impacted by a number of factors, including changes to the applicable code-share agreements, contract modifications resulting from contract renegotiations and our ability to earn incentive payments contemplated under applicable agreements. In the event contracted rates are not finalized at a quarterly or annual financial statement date, we record that period's revenues based on the lower of the prior period's approved rates adjusted for the current contract negotiations and our estimate of rates that will be implemented. Also, in the event we have a reimbursement dispute with a major partner at a quarterly or annual financial statement date, we evaluate the dispute under established revenue recognition criteria and, provided the revenue recognition criteria have been met, we recognize revenue for that period based on our estimate of the resolution of the dispute. Accordingly, we are required to exercise judgment and use assumptions in the application of our revenue recognition policy.

Maintenance

        We use the direct-expense method of accounting for our regional jet aircraft engine overhaul costs. Under this method, the maintenance liability is not recorded until the maintenance services are performed. We use the "deferral method" of accounting for our Brasilia turboprop engine overhauls, which provides for engine overhaul costs to be capitalized and depreciated to the next estimated overhaul event or to the remaining useful life, whichever is shorter. For leased aircraft, we are subject to lease return provisions that require a minimum portion of the "life" of an overhaul be remaining on the engine at the lease return date. With respect to engine overhauls related to leased Brasilia turboprops to be returned, we adjust the estimated useful lives of the final engine overhauls so they do not exceed the respective lease return dates. With respect to SkyWest Airlines, a third-party vendor provides our long-term engine services covering the scheduled and unscheduled repairs for engines on our CRJ700s operated under our Fixed-Rate Engine Contracts. Under the terms of the vendor agreement, we pay a set dollar amount per engine hour flown on a monthly basis and the third-party vendor assumes the obligation to repair the engines at no additional cost to us, subject to certain specified exclusions. Thus, under the third-party vendor agreement, we expense the engine maintenance costs as flight hours are incurred on the engines and using the contractual rate set forth in the agreement.

Aircraft Leases

        The majority of SkyWest Airlines' aircraft are leased from third parties, while ExpressJet's aircraft flying for Delta are primarily debt-financed on a long-term basis, and the majority of ExpressJet's aircraft flying for United are leased from United for a nominal amount. In order to determine the proper classification of our leased aircraft as either operating leases or capital leases, we must make certain estimates at the inception of the lease relating to the economic useful life and the fair value of an asset as well as select an appropriate discount rate to be used in discounting future lease payments. These estimates are utilized by management in making computations as required by existing accounting standards that determine whether the lease is classified as an operating lease or a capital lease. All of our aircraft leases have been classified as operating leases, which results in rental payments being charged to expense over the terms of the related leases. Additionally, operating leases are not reflected in our consolidated balance sheet and accordingly, neither a lease asset nor an obligation for future lease payments is reflected in our consolidated balance sheets.

Impairment of Long-Lived Assets

        As of December 31, 2013, we had approximately $2.7 billion of property and equipment and related assets. Additionally, as of December 31, 2013, we had approximately $15.0 million in intangible assets. In accounting for these long-lived and intangible assets, we make estimates about the expected

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useful lives of the assets, the expected residual values of certain of these assets, and the potential for impairment based on the fair value of the assets and the cash flows they generate. We recorded an intangible of approximately $33.7 million relating to the acquisition of Atlantic Southeast in September 2005. The intangible is being amortized over fifteen years under the straight-line method. As of December 31, 2013, we had recorded $18.7 million in accumulated amortization expense. Factors indicating potential impairment include, but are not limited to, significant decreases in the market value of the long-lived assets, a significant change in the condition of the long-lived assets and operating cash flow losses associated with the use of the long-lived assets.

        When considering whether or not impairment of long-lived assets exists, we group similar assets together at the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets and liabilities and compare the undiscounted cash flows for each asset group to the net carrying amount of the assets supporting the asset group. Asset groupings are done at the fleet or contract level. Based on the results of the evaluations performed as of December 31, 2013, our management concluded no impairment of long-lived assets was necessary as of December 31, 2013.

Stock-Based Compensation Expense

        We estimate the fair value of stock options as of the grant date using the Black-Scholes option pricing model. We use historical data to estimate option exercises and employee termination in the option pricing model. The expected term of options granted is derived from the output of the option pricing model and represents the period of time that options granted are expected to be outstanding. The expected volatilities are based on the historical volatility of our common stock and other factors.

Fair value

        We hold certain assets that are required to be measured at fair value in accordance with United States GAAP. We determined fair value of these assets based on the following three levels of inputs:

Level 1   Quoted prices in active markets for identical assets or liabilities.

Level 2

 

Observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. Some of our marketable securities primarily utilize broker quotes in a non-active market for valuation of these securities.

Level 3

 

Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities, therefore requiring an entity to develop its own assumptions.

        We utilize several valuation techniques in order to assess the fair value of our financial assets and liabilities. Our cash and cash equivalents primarily utilize quoted prices in active markets for identical assets or liabilities.

        We have valued non-auction rate marketable securities using quoted prices in active markets for identical assets or liabilities. If a quoted price is not available, we utilize broker quotes in a non-active market for valuation of these securities. For auction-rate security instruments, quoted prices in active markets are no longer available. As a result, we have estimated the fair values of these securities utilizing a discounted cash flow model.

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Results of Operations

2013 Compared to 2012

Our Business Segments

        For the year ended December 31, 2013, we had two reportable segments which are the basis of our internal financial reporting: SkyWest Airlines and ExpressJet. The following table sets forth our segment data for the years ended December 31, 2013 and 2012 (in thousands):

 
  2013   2012   $ Change   % Change  
 
  Amount   Amount   Amount   Percent  

Operating Revenues:

                         

SkyWest Airlines operating revenue

  $ 1,827,568   $ 1,930,149   $ (102,581 )   (5.3 )%

ExpressJet operating revenues

    1,466,341     1,593,527     (127,186 )   (8.0 )%

Other operating revenues

    3,816     10,696     (6,880 )   (64.3 )%
                   

Total Operating Revenues

  $ 3,297,725   $ 3,534,372   $ (236,647 )   (6.7 )%

Airline Expenses:

                         

SkyWest airlines expense

  $ 1,688,049   $ 1,824,084   $ (136,035 )   (7.5 )%

ExpressJet airlines expense

    1,515,336     1,611,982     (96,646 )   (6.0 )%

Other airline expense

    9,887     9,699     188     1.9 %
                   

Total Airline Expense(1)

    3,213,272   $ 3,445,765   $ (232,493 )   (6.7 )%

Segment profit (loss):

                         

SkyWest Airlines segment profit

  $ 139,519   $ 106,065   $ 33,454     31.5 %

ExpressJet segment loss

    (48,995 )   (18,455 )   (30,540 )   (165.5 )%

Other profit (Loss)

    (6,071 )   997     (7,068 )   NM  
                   

Total Segment Profit

  $ 84,453   $ 88,607   $ (4,154 )   (4.7 )%

Interest Income

    3,689     7,928     (4,239 )   (53.5 )%

Other

    10,390     (10,639 )   21,029     NM  
                   

Consolidated Income Before Taxes

    98,532   $ 85,896   $ 12,636     14.7 %
                   
                   

(1)
Total Airline Expense includes operating expense and interest expense

        SkyWest Airlines Segment Profit.    SkyWest Airlines segment profit increased $33.5 million, or 31.5%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase in the SkyWest Airlines' segment profit was due primarily to the following factors:

    CRJ200 engine overhaul expense incurred under the SkyWest Airlines Fixed-Rate Engine Contracts decreased $18.1 million, or 37.6%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The decrease in CRJ200 engine overhaul expense was primarily due to a reduction in the number of scheduled engine maintenance events.

    SkyWest Airlines' non-pass-through operating revenue increased by $65.9 million, or 4.6%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase in non-pass through operating revenue, was primarily due to an increase in block hour production and our receipt of higher incentive payments from SkyWest Airlines' major airline partners.

    SkyWest Airlines' salaries, wages and employee benefits increased $20.3 million, or 3.7%, during the year ended December 31, 2013, compared to the year ended December 31, 2012, primarily due to increased block-hour production.

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    SkyWest Airlines' legal expense increased by $2.8 million. The increase in legal expense was primarily related to the settlement of our dispute with Delta regarding non-revenue positive space flying by employees of SkyWest Airlines and ExpressJet.

    SkyWest Airlines' aircraft maintenance expense, excluding reimbursed engine overhauls increased by $26.7 million, or 12.5%, during the year ended December 31, 2013, compared to the year ended December 31, 2012, which was primarily attributable to an increase in scheduled maintenance events and the replacement and repair of aircraft parts and components.

    SkyWest Airlines' ground handling service expense increased $9.3 million, or 12.6%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase in ground handling service expense was primarily due to SkyWest Airlines outsourcing the customer service and ramp functions of several pro-rate stations.

        ExpressJet Segment Loss.    ExpressJet segment loss increased $30.5 million, or 165.5%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase in ExpressJet segment loss was due primarily to the following factors:

    ExpressJet's aircraft maintenance expense, excluding reimbursed engine overhauls increased by $45.7 million, or 20.6%, during the year ended December 31, 2013, compared to the year ended December 31, 2012, which was primarily attributable to an increase in scheduled maintenance events and the replacement and repair of aircraft parts and components.

    ExpressJet's salaries, wages and employee benefits increased $19.4 million, or 3.1%, during the year ended December 31, 2013, compared to the year ended December 31, 2012, primarily due to increased block hour production.

    ExpressJet's depreciation and amortization expense decreased $8.7 million, or 8.9%, during the year ended December 31, 2013, compared to the year ended December 31, 2012, primarily due to certain rotable assets being fully depreciated during the year ended 2013 and a lower volume of capital expenditures.

    ExpressJet's non-pass-through operating revenue increased by $25.3 million, or 2.4%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase in non-pass through operating revenue was primarily due to an increase in block hour production offset by a reduction in contract performance incentives.

        Operational Statistics.    The following table sets forth our major operational statistics and the associated percentages-of-change for the periods identified below.

 
  Year Ended December 31,  
 
  2013   2012   % Change  

Revenue passenger miles (000)

    31,834,735     30,088,278     5.8 %

Available seat miles ("ASMs") (000)

    39,207,910     37,278,554     5.2 %

Block hours

    2,380,118     2,297,014     3.6 %

Departures

    1,453,601     1,435,512     1.3 %

Passengers carried

    60,581,948     58,803,690     3.0 %

Passenger load factor

    81.2 %   80.7 %   0.5 pts  

Revenue per available seat mile

    8.4¢     9.5¢     (11.6 )%

Cost per available seat mile

    8.2¢     9.2¢     (10.9 )%

Fuel cost per available seat mile

    0.5¢     1.1¢     (54.5 )%

Average passenger trip length (miles)

    525     512     2.5 %

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        Revenues.    Total operating revenues decreased $236.6 million, or 6.7%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. Under certain of our flying contracts, certain expenses are subject to direct reimbursement from our major partners and we record such reimbursements as passenger revenue.These reimbursed expenses include fuel, landing fees, station rents and certain engine maintenance expenses. Our fuel expense, landing fees, station rents and directly-reimbursed engine expense decreased by $331.0 million, during the year ended December 31, 2013, from the year ended December 31, 2012, due primarily (i) to our major partners purchasing an increased volume of fuel, landing fees and station rents directly from vendors on flights we operated under our code-share agreements and (ii) a reduction in the number of engine maintenance events. The following table summarizes the amount of fuel, landing fees, station rents, deice and engine overhaul reimbursements included in our passenger revenues for the periods indicated (dollar amounts in thousands).

 
  For the year ended December 31,  
 
  2013   2012   $ Change   % Change  

Passenger revenues

  $ 3,239,525   $ 3,467,546   $ (228,021 )   (6.6 )%

Less: Fuel reimbursement from major partners

    91,925     329,748     (237,823 )   (72.1 )%

Less: Landing fee and station rent reimbursements from major partners

    95,175     152,121     (56,946 )   (37.4 )%

Less: Engine overhaul reimbursement from major partners

    123,024     159,220     (36,196 )   (22.7 )%
                     

Passenger revenue excluding fuel, landing fee, station rent and engine overhaul reimbursements

  $ 2,929,401   $ 2,826,457   $ 102,944     3.6 %

        Passenger revenues.    Passenger revenues decreased $228.0 million, or 6.6%, during year ended December 31, 2013, compared to the year ended December 31, 2012. Our passenger revenues, excluding fuel, landing fee, station rent and engine overhaul reimbursements from major partners, increased $102.9 million, or 3.6%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase in passenger revenues, excluding fuel, landing fee, station rent and engine overhaul reimbursements, was primarily due to an increase in block hours of 3.6% during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase in block hours was due primarily to an increase in total number of aircraft in operation. Block hour production is a significant revenue driver in our flying contracts with our major partners.

        Ground handling and other.    Total ground handling and other revenues decreased $8.6 million, or 12.9%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. Revenue attributed to ground handling services for our aircraft is reflected in our consolidated statements of comprehensive income under the heading "Operating Revenues—Passenger" and revenue attributed to ground handling services we provide for third-party aircraft is reflected in our consolidated statements of comprehensive income under the heading "Operating Revenues—Ground handling and other." The decrease was primarily related to the decrease in our ground handling for other airlines and a reduction of rental revenue associated with the termination of an aircraft sub-lease we had executed with Air Mekong.

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        Individual expense components attributable to our operations are expressed in the following table on the basis of cents per ASM. (dollar amounts in thousands).

 
  For the year ended December 31,  
 
  2013
Amount
  2012
Amount
  $ Change
Amount
  % Change
Percent
  2013
Cents Per
ASM
  2012
Cents Per
ASM
 

Aircraft fuel

  $ 193,513   $ 426,387   $ (232,874 )   (54.6 )%   0.5     1.1  

Salaries, wages and benefits

    1,211,307     1,171,689     39,618     3.4 %   3.1     3.1  

Aircraft maintenance, materials and repairs

    686,381     659,869     26,512     4.0 %   1.8     1.8  

Aircraft rentals

    325,360     333,637     (8,277 )   (2.5 )%   0.8     0.9  

Depreciation and amortization

    245,005     251,958     (6,953 )   (2.8 )%   0.6     0.7  

Station rentals and landing fees

    114,688     169,855     (55,167 )   (32.5 )%   0.3     0.5  

Ground handling services

    129,119     125,148     3,971     3.2 %   0.3     0.3  

Other

    239,241     229,842     9,399     4.1 %   0.6     0.6  
                           

Total operating expenses

    3,144,614     3,368,385     (223,771 )   (6.6 )%   8.0     9.0  

Interest expense

    68,658     77,380     (8,722 )   (11.3 )%   0.2     0.2  
                           

Total airline expenses

  $ 3,213,272   $ 3,445,765     (232,493 )   (6.7 )%   8.2     9.2  
                           
                           

        Fuel.    Fuel costs decreased $232.9 million, or 54.6%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. During the third quarter of 2012, United began purchasing the majority of the fuel for flights we operated under our United Express contracts. The resulting decrease in our fuel expense was primarily due to an increase in the number of gallons of fuel purchased by our major partners on flights we operated under our flying contracts. The following table summarizes the gallons of fuel we purchased directly and our fuel expense, for the periods indicated:

 
  For the year ended December,  
(in thousands, except per gallon amounts)
  2013   2012   % Change  

Fuel gallons purchased

    53,825     118,765     (54.7 )%

Fuel expense

  $ 193,513   $ 426,387     (54.6 )%

        Salaries, Wages and Employee Benefits.    Salaries, wages and employee benefits increased $39.6 million, or 3.4%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase in salaries, wages and employee benefits was primarily due to an increase in crew and mechanic wages attributable to increased departures and block-hour production and due to an increase in health insurance and workers compensation expenses.

        Aircraft maintenance, materials and repairs.    Aircraft maintenance expense increased $26.5 million, or 4.0%, during the year ended December 31, 2013, compared to the year ended December 31 2012. The following table summarizes the effect of engine overhaul reimbursements included in our aircraft maintenance expense for the periods indicated (dollar amounts in thousands).

 
  For the year ended December 31,  
 
  2013   2012   $ Change   % Change  

Aircraft maintenance, materials and repairs

  $ 686,381   $ 659,869   $ 26,512     4.0 %

Less: Engine overhaul reimbursement from major partners

    123,024     159,220     (36,196 )   (22.7 )%

Less: CRJ200 engine overhauls reimbursed at fixed hourly rate

    39,388     55,183     (15,795 )   (28.6 )%
                     

Other aircraft maintenance, materials and repairs

  $ 523,969   $ 445,466   $ 78,503     17.6 %
                     

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        Other aircraft maintenance, materials and repairs, increased $78.5 million, or 17.6%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase in aircraft maintenance expense excluding engine overhaul costs for the year ended December, 2013, compared to the year ended December 31, 2012, was primarily due to an increase in the number of scheduled maintenance events and the replacement and repair of aircraft parts and components at ExpressJet and SkyWest Airlines.

        We recognize engine maintenance expense on our CRJ200 engines on an as-incurred basis as maintenance expense. Under our Fixed-Rate Engine Contracts, we recognize revenue at fixed hourly rates for mature engine maintenance on regional jet engines. Accordingly, the timing of engine maintenance events associated with aircraft under the Fixed-Rate Engine Contracts can have a significant impact on our financial results. During the year ended December 31, 2013, our CRJ200 engine expense under our Fixed-Rate Engine Contracts decreased $15.8 million compared to the year ended December 31, 2012. The decrease in CRJ200 engine overhauls reimbursed under our Fixed-Rate Engine Contracts was principally due to fewer scheduled engine maintenance events.

        Under our Directly-Reimbursed Engine Contracts, we are reimbursed for engine overhaul costs by our applicable major partner at the time the maintenance event occurs. Such reimbursements are reflected as passenger revenue in the same amount and during the same period we recognized the expense in our consolidated statements of comprehensive income.

        Aircraft rentals.    Aircraft rentals decreased $8.3 million, or 2.5%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The decrease was primarily due to aircraft lease renewals at lower rates during 2013.

        Depreciation and amortization.    Depreciation and amortization expense decreased $7.0 million, or 2.8%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The decrease in depreciation and amortization expense was primarily due to certain rotable assets being fully depreciated during the year ended 2013 and a lower volume of capital expenditures.

        Station rentals and landing fees.    Station rentals and landing fees expense decreased $55.2 million, or 32.5%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The decrease in station rentals and landing fees expense was primarily due to our major partners paying for certain station rents and landing fees directly to the applicable airports, rather than requiring us to make those payments and obtain reimbursement from our major partners.

        Ground handling service.    Ground handling service expense increased $4.0 million, or 3.2%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase in ground handling service expense was primarily due to SkyWest Airlines outsourcing the customer service and ramp functions of several prorate stations.

        Other expenses.    Other expenses, primarily consisting of property taxes, hull and liability insurance, crew simulator training and crew hotel costs, increased $9.4 million, or 4.1%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase in other expenses during the year ended December 31, 2013 was primarily due to the increase in property tax expense due to refunds received during the year ended December 31, 2012 (primarily a pass-through cost under our flying contracts) and an increase in legal expense due to the settlement of Delta's claims related to travel by certain employees of SkyWest Airlines and ExpressJet.

        Total airline expenses.    Total airline expenses (consisting of total operating and interest expenses) decreased $232.5 million, or 6.7%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. We are reimbursed for our actual fuel costs by our major partners under our contract flying arrangements. We record the amount of those reimbursements as revenue. Under our Directly-Reimbursed Engine Contracts, we are reimbursed for our engine overhaul expense, which

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we record as revenue. The following table summarizes the amount of fuel and engine overhaul expenses which are included in our total airline expenses for the periods indicated (dollar amounts in thousands).

 
  For the year ended December 31,  
 
  2013   2012   $ Change   % Change  

Total airline expense

  $ 3,213,272   $ 3,445,765   $ (232,493 )   (6.7 )%

Less: Fuel expense

    193,513     426,387     (232,874 )   (54.6 )%

Less: Engine overhauls Directly-Reimbursed Engine Contracts

    123,024     159,220     (36,196 )   (22.7 )%

Less: CRJ200 engine overhauls reimbursed at fixed hourly rate

    39,388     55,183     (15,795 )   (28.6 )%
                     

Total airline expense excluding fuel and engine overhauls and CRJ200 engine overhauls reimbursed at fixed hourly rate

    2,857,347   $ 2,804,975   $ 52,372     1.9 %

        Excluding fuel and engine overhaul costs and CRJ200 engine overhauls reimbursed at fixed hourly rates, our total airline expenses increased $52.4 million, or 1.9%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The percentage increase in total airline expenses, excluding fuel and engine overhauls, was different than the percentage increase in passenger revenues, excluding fuel and engine overhaul reimbursements from major partners, due primarily to the factors described above.

    Summary of other income (expense) items:

        Other, net.    Other, net, increased $21.0 million during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase was primarily attributable to the termination of our aircraft sub-lease with Air Mekong, and our recognition of $5.1 million of other income primarily due to the maintenance deposits we collected during the nine months ended September 30, 2013 and sale of our shares of Air Mekong. In conjunction with the sale of the Air Mekong shares, we recognized a gain of $5.0 million. During the year ended December 31, 2012, we incurred other expense primarily consisting of losses from our equity investments in TRIP and Air Mekong.

        Interest Income.    Interest income decreased $4.2 million during the year ended December 31, 2013, compared to the year ended December 31, 2012. The decrease was primarily due to our receipt of $49 million of cash from United for amounts previously deferred under the United Express Agreement. Prior to repayment, the deferred amounts accrued interest at 8%.

        Net Income.    Primarily due to factors described above, net income increased to $59.0 million, or $1.12 per diluted share, for the year ended December 31, 2013, compared to $51.2 million, or $0.99 per diluted share, for the year ended December 31, 2012.

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2012 Compared to 2011

Our Business Segments

        For the year ended December 31, 2012, we had two reportable segments which are the basis of our internal financial reporting: SkyWest Airlines and ExpressJet.

 
  2012   2011   $ Change   % Change  
 
  Amount   Amount   Amount   Percent  

Operating Revenues:

                         

SkyWest Airlines operating revenue

  $ 1,930,149   $ 2,002,830   $ (72,681 )   (3.6 )%

ExpressJet operating revenues

    1,593,527     1,640,837     (47,310 )   (2.9 )%

Other operating revenues

    10,696     11,256     (560 )   (5.0 )%
                   

Total Operating Revenues

  $ 3,534,372   $ 3,654,923   $ (120,551 )   (3.3 )%

Airline Expenses:

                         

SkyWest airlines expense

  $ 1,824,084   $ 1,944,816   $ (120,732 )   (6.2 )%

ExpressJet airlines expense

    1,611,982     1,739,623     (127,641 )   (7.3 )%

Other airline expense

    9,699     9,762     (63 )   (0.6 )%
                   

Total Airline Expense(1)

  $ 3,445,765   $ 3,694,201   $ (248,436 )   (6.7 )%

Segment profit (loss):

                         

SkyWest Airlines segment profit

  $ 106,065   $ 58,014   $ 48,051     82.8 %

ExpressJet segment (loss)

    (18,455 )   (98,786 )   80,331     (81.3 )%

Other profit

    997     1,494     (497 )   (33.3 )%
                   

Total Segment Profit (Loss)

  $ 88,607   $ (39,278 ) $ 127,885     (325.6 )%

Interest Income

    7,928     8,236     (308 )   (3.7 )%

Purchase Accounting Gain (adjustment)

        (5,711 )   5,711     100.0 %

Other

    (10,639 )   (13,417 )   2,778     (20.7 )%
                   

Consolidated Income (Loss) Before Taxes

  $ 85,896   $ (50,170 ) $ 136,066     (271.2 )%
                   
                   

(1)
Total Airline Expense includes operating expense and interest expense

        SkyWest Airlines Segment Profit.    SkyWest Airlines segment profit increased $48.1 million, or 82.8%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. The increase in SkyWest Airlines' profit was due primarily to the following factors:

    CRJ200 engine overhaul expense incurred under the SkyWest Airlines Fixed-Rate Engine Contracts decreased $22.6 million. The decrease in CRJ200 engine overhaul expense was primarily due to a reduction in the number of scheduled engine maintenance events.

    Non-pass-through operating revenue increased by $46.2 million. The increase in non-pass through operating revenue, was primarily due to an increase in block hour production, receipt of higher incentive payments and favorable compensation negotiations with our major partners.

    SkyWest Airlines salaries, wages and employee benefits increased $24.4 million primarily due to increased block hour production.

        ExpressJet Segment Loss.    ExpressJet segment loss decreased $80.3 million, or 81.3%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. The decrease in ExpressJet's loss was due primarily to the following factors:

    Non-pass-through operating revenue increased by $33.2 million. The increase in non-pass-through operating revenue was primarily due to an increase in block hour production, our receipt of higher incentive payments and favorable compensation negotiations with our major partners.

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    ExpressJet salaries, wages and employee benefits decreased $7.8 million, primarily due to integration benefits and aircraft scheduling inefficiencies experienced in 2011 that were not replicated during 2012.

    Aircraft maintenance expense, excluding reimbursed engine overhauls, decreased $19.4 million, primarily due to a reduction in scheduled maintenance events and more efficient maintenance planning.

    Other expenses, primarily consisting of property taxes, hull and liability insurance, crew simulator training and crew hotel costs, decreased $5.6 million, primarily due to a reduction in new hire training from 2011.

    Non-aircraft depreciation and amortization expense decreased $5.0 million primarily due to certain fixed assets becoming fully depreciated in 2012

        Operational Statistics.    The following table sets forth our major operational statistics and the associated percentages-of-change for the periods identified below.

 
  Year Ended December 31,  
 
  2012   2011   % Change  

Revenue passenger miles (000)

    30,088,278     29,109,039     3.4 %

Available seat miles ("ASMs") (000)

    37,278,554     36,698,859     1.6 %

Block hours

    2,297,014     2,250,280     2.1 %

Departures

    1,435,512     1,390,523     3.2 %

Passengers carried

    58,803,690     55,836,271     5.3 %

Passenger load factor

    80.7 %   79.3 %   1.4pts  

Revenue per available seat mile

    9.5¢     10.0¢     (5.0 )%

Cost per available seat mile

    9.2¢     10.1¢     (8.9 )%

Fuel cost per available seat mile

    1.1¢     1.6¢     (31.3 )%

Average passenger trip length (miles)

    512     521     (1.7 )%

        Revenues.    Operating revenues decreased $120.6 million, or 3.3%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. We are reimbursed for our actual fuel costs by our major partners under our contract flying arrangements. For financial reporting purposes, we record these reimbursements as operating revenue. Under the Directly-Reimbursed Engine Contracts, we are reimbursed for our engine overhaul expenses as incurred. We also record those engine overhaul reimbursements as operating revenue. The following table summarizes the amount of fuel and engine overhaul reimbursements included in our passenger revenues for the periods indicated (dollar amounts in thousands).

 
  For the year ended December 31,  
 
  2012   2011   $ Change   % Change  

Passenger revenues

  $ 3,467,546   $ 3,584,777   $ (117,231 )   (3.3 )%

Less: Fuel reimbursement from major partners

    329,748     492,674     (162,926 )   (33.1 )%

Less: Engine overhaul reimbursement from major partners

    159,220     173,072     (13,852 )   (8.0 )%
                     

Passenger revenue excluding fuel and engine overhaul reimbursements

  $ 2,978,578   $ 2,919,031   $ 59,547     2.0 %

        Passenger revenues.    Passenger revenues decreased $117.2 million, or 3.3%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. Our passenger revenues, excluding fuel and engine overhaul reimbursements from major partners, increased $59.5 million, or 2.0%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. The

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increase in passenger revenues, excluding fuel and engine overhaul reimbursements, was primarily due to an increase in block hours of 2.1% during the year ended December 31, 2012 compared to the year ended December 31, 2011. The increase in block hours was due primarily to the increase in total number of aircraft in operation, Block hour production is a significant revenue driver in our flying contracts with our major partners.

        Individual expense components attributable to our operations are expressed in the following table on the basis of cents per ASM. (dollar amounts in thousands).

 
  For the year ended December 31,  
 
  2012
Amount
  2011
Amount
  $ Change
Amount
  % Change
Percent
  2012
Cents Per
ASM
  2011
Cents Per
ASM
 

Aircraft fuel

  $ 426,387   $ 592,871   $ (166,484 )   (28.1 )%   1.1     1.6  

Salaries, wages and benefits

    1,171,689     1,155,051     16,638     1.4 %   3.1     3.1  

Aircraft maintenance, materials and repairs

    659,869     712,926     (53,057 )   (7.4 )%   1.8     1.9  

Aircraft rentals

    333,637     346,526     (12,889 )   (3.7 )%   0.9     0.9  

Depreciation and amortization

    251,958     254,182     (2,224 )   (0.9 )%   0.7     0.7  

Station rentals and landing fees

    169,855     174,838     (4,983 )   (2.9 )%   0.5     0.5  

Ground handling services

    125,148     131,462     (6,314 )   (4.8 )%   0.3     0.4  

Acquisition-related costs

        5,770     (5,770 )   NM         0.1  

Other

    229,842     240,192     (10,350 )   (4.3 )%   0.6     0.7  
                           

Total operating expenses

    3,368,385     3,613,818     (245,433 )   (6.8 )%   9.0     9.9  

Interest expense

    77,380     80,383     (3,003 )   (3.7 )%   0.2     0.2  
                           

Total airline expenses

  $ 3,445,765   $ 3,694,201     (248,436 )   (6.7 )%   9.2     10.1  
                           
                           

        Fuel.    Fuel costs decreased $166.5 million, or 28.1%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. The average cost per gallon of fuel increased to $3.59 during the year ended December 31, 2012, from $3.48 during the year ended December 31, 2011. Effective July 1, 2012, United began purchasing the majority of the fuel for flights we operated under our United Express contracts. Thus, the decrease in our fuel expense was primarily due to an increase in the volume of gallons of fuel our major partners purchased on flights we operated under our flying contracts. The following table summarizes the gallons of fuel we purchased directly, and the change in fuel price per gallon on our fuel expense, for the periods indicated:

 
  For the year ended December,  
(in thousands, except per gallon amounts)
  2012   2011   % Change  

Fuel gallons purchased

    118,765     170,332     (30.3 )%

Average price per gallon

  $ 3.59   $ 3.48     3.2 %

Fuel expense

  $ 426,387   $ 592,871     (28.1 )%

        Salaries Wages and Employee Benefits.    Salaries, wages and employee benefits increased $16.6 million, or 1.4%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. The average number of full-time equivalent employees increased 0.9% to 18,590 for the year ended December 31, 2012, from 18,418 for the year ended December 31, 2011. The increase in the average number of full-time equivalent employees and resulting increase in labor costs for the year ended December 31, 2012, compared to the year ended December 31, 2011, was primarily due to an increase in block hours of 2.1% during the year ended December 31, 2012, compared to the year ended December 31, 2011.

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        Aircraft maintenance, materials and repairs.    Aircraft maintenance expense decreased $53.1 million, or 7.4%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. The following table summarizes the amount of engine overhauls and engine overhaul reimbursements included in our aircraft maintenance expense for the periods indicated (dollar amounts in thousands).

 
  For the year ended December 31,  
 
  2012   2011   $ Change   % Change  

Aircraft maintenance, materials and repairs

  $ 659,869   $ 712,926   $ (53,057 )   (7.4 )%

Less: Engine overhaul reimbursement from major partners

    159,220     173,072     (13,852 )   (8.0 )%

Less: CRJ200 engine overhauls reimbursed at fixed hourly rate

    55,183     77,582     (22,399 )   (28.9 )%
                     

Other aircraft maintenance, materials and repairs

  $ 445,466   $ 462,272   $ (16,806 )   (3.6 )%
                     

        Other aircraft maintenance, materials and repairs, decreased $16.8 million, or 3.6%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. The decrease in aircraft maintenance expense excluding engine overhaul costs for the year ended December 31, 2012, compared to the year ended December 31, 2011, was primarily due to fewer scheduled maintenance events and our implementation of cost-reduction initiatives.

        We recognize engine maintenance expense on our CRJ200 engines on an as-incurred basis as maintenance expense. Under our Fixed-Rate Engine Contracts, we recognize revenue at fixed hourly rates for mature engine maintenance on regional jet engines. Accordingly, the timing of engine maintenance events associated with aircraft under the Fixed-Rate Engine Contracts can have a significant impact on our financial results. During the year ended December 31, 2012, our CRJ200 engine expense under our Fixed-Rate Engine Contracts decreased $22.4 million compared to the year ended December 31, 2011. The decrease in CRJ200 engine overhauls reimbursed under our Fixed-Rate Engine Contracts was principally due to fewer scheduled engine maintenance events. Under our Directly-Reimbursed Engine Contracts, we are reimbursed for engine overhaul costs by our major partner at the time the maintenance event occurs. Such reimbursements are reflected as passenger revenue in our consolidated statements of comprehensive income (loss).

        Aircraft rentals.    Aircraft rentals decreased $12.9 million, or 3.7%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. The decrease was primarily due to aircraft lease renewals at lower rates.

        Depreciation and amortization.    Depreciation and amortization expense decreased $2.2 million, or 0.9%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. The decrease in depreciation expense was primarily due to certain rotable assets being fully depreciated during 2012 and a lower volume of capital expenditures.

        Station rentals and landing fees.    Station rentals and landing fees expense decreased $5.0 million, or 2.9%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. The decrease in station rentals and landing fees expense was primarily due to our major partners paying for certain station rents and landing fees directly to the applicable airports.

        Ground handling service.    Ground handling service expense decreased $6.3 million, or 4.8%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. The decrease in ground handling service expense was primarily due to a reduction in outsourced ground handling services resulting from the termination of SkyWest Airlines' AirTran code share agreement during the year ended December 31, 2011.

        Acquisition-related costs.    During the year ended December 31, 2011, we incurred $5.8 million of direct severance, legal and advisor fees associated with Atlantic Southeast's acquisition of ExpressJet

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Delaware in November 2010. We did not incur comparable expense during the year ended December 31, 2012.

        Other operating expenses.    Other expenses, primarily consisting of property taxes, hull and liability insurance, crew simulator training and crew hotel costs, decreased $10.4 million, or 4.3%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. The decrease in other operating expenses was primarily due to the reduction in property tax expense resulting from refunds received during the year ended December 31, 2012, a reduction in simulator training expense and a reduction in legal and consulting expenses.

        Total airline expenses.    Total airline expenses (consisting of total operating and interest expenses) decreased $248.4 million, or 6.7%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. We are reimbursed for our actual fuel costs by our major partners under our contract flying arrangements. We record the amount of those reimbursements as revenue. Under our Directly-Reimbursed Engine Contracts, we are reimbursed for our engine overhaul expense, which we record as revenue. The following table summarizes the amount of fuel and engine overhaul expenses which are included in our total airline expenses for the periods indicated (dollar amounts in thousands).

 
  For the year ended December 31,  
 
  2012   2011   $ Change   % Change  

Total airline expense

  $ 3,445,765   $ 3,694,201   $ (248,436 )   (6.7 )%

Less: Fuel expense

    426,387     592,871     (166,484 )   (28.1 )%

Less: Engine overhauls Directly-Reimbursed Engine Contracts

    159,220     173,072     (13,852 )   (8.0 )%

Less: CRJ200 engine overhauls reimbursed at fixed hourly rate

    55,183     77,582     (22,399 )   (28.9 )%
                     

Total airline expense excluding fuel and engine overhauls and CRJ200 engine overhauls reimbursed at fixed hourly rate

  $ 2,804,975   $ 2,850,676   $ (45,701 )   (1.6 )%

        Excluding fuel and engine overhaul costs and CRJ200 engine overhauls reimbursed at fixed hourly rates, our total airline expenses decreased $45.7 million, or 1.6%, during the year ended December 31, 2012, compared to the year ended December 31, 2011. The percentage decrease in total airline expenses, excluding fuel and engine overhauls, was different than the percentage increase in passenger revenues, excluding fuel and engine overhaul reimbursements from major partners, due primarily to the factors described above.

    Summary of other income (expense) items:

        Other expenses, net.    Other expenses, net decreased $2.8 million during the year ended December 31, 2012, compared to the year ended December 31, 2011. Other expenses primarily consist of earnings and losses from our investments in TRIP and Air Mekong, which we account for under the equity method of accounting. The decrease in other expenses was due primarily to our recognition of our portion of the losses incurred by TRIP and Air Mekong during the applicable periods.

        Adjustment to Purchase Accounting Gain.    In connection with the preparation of ExpressJet's 2010 tax return, an adjustment to the ExpressJet acquisition accounting was identified that resulted in an increase to the acquired deferred tax liabilities of $5.7 million, which was reflected on the consolidated statement of comprehensive income (loss) under the caption "Purchase accounting gain (adjustment)" for the year ended December 31, 2011. We did not incur comparable expenses during the year ended December 31, 2012.

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        Income Taxes Expense.    Our effective tax rate for the years ended December 31, 2012 and 2011 was higher than the federal statutory rate of 35%, primarily due to state income taxes and expenses we incurred with limited tax deductibility relative to our pre-tax income for the year. Additionally, in conjunction with the preparation of the ExpressJet's 2010 income tax return during the year ended December 31, 2011, we revised our estimate of the 2010 ExpressJet post-acquisition tax loss recorded as a deferred tax asset as of December 31, 2010, which resulted in a $7.2 million benefit.

        Net Income (loss).    Primarily due to factors described above, we had net income of $51.2 million, or $0.99 per diluted share, for the year ended December 31, 2012, compared to net loss of $(27.3) million, or ($0.52) per diluted share, for the year ended December 31, 2011.

Liquidity and Capital Resources

Sources and Uses of Cash

        Cash Position and Liquidity.    The following table provides a summary of the net cash provided by (used in) our operating, investing and financing activities for the years ended December 31, 2013 and 2012, and our total cash and marketable securities position as of December 31, 2013 and December 31, 2012 (in thousands).

 
  For the year ended December 31,  
 
  2013   2012   $ Change   % Change  

Net cash provided by operating activities

  $ 289,890   $ 288,824     1,066     0.4 %

Net cash used in investing activities

    (65,961 )   (108,360 )   42,399     39.1 %

Net cash used in financing activities

    (187,065 )   (176,218 )   (10,847 )   (6.2 )%

 

 
  December 31,
2013
  December 31,
2012
  $ Change   % Change  

Cash and cash equivalents

  $ 170,636   $ 133,772     36,864     27.6 %

Restricted cash

    12,219     19,553     (7,334 )   (37.5 )%

Marketable securities

    487,239     556,117     (68,878 )   (12.4 )%
                     

Total

    670,094   $ 709,442     (39,348 )   (5.5 )%
                     
                     

Cash Flows from Operating Activities.

        Net cash provided by operating activities increased $1.1 million, or 0.4%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase was primarily due to our receipt of $49 million of cash from United during the year ended December 31, 2013 for amounts previously deferred under the United Express Agreement. This increase was mostly offset by changes in our working capital accounts.

Cash Flows from Investing Activities.

        Net cash used in investing activities decreased $42.4 million, or 39.1% during the year ended December 31, 2013, compared to the year ended December 31, 2012. During the year ended December 31, 2013, net sales of marketable securities increased $127.4 million as compared to the year ended December 31, 2012. This change was partially offset by an increase in deposits on aircraft of $40 million and an increase in purchases of aircraft and rotable spares of $45.2 million during the year ended December 31, 2013, compared to the year ended December 31, 2012.

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Cash Flows from Financing Activities.

        Net cash used in financing activities increased $10.8 million, or 6.2%, during the year ended December 31, 2013, compared to the year ended December 31, 2012. The increase was primarily related to increased expense attributable to the increase in purchase of treasury shares of $10.8 million during the year ended December 31, 2013, compared to the year ended December, 2012.

Liquidity and Capital Resources

        We believe that in the absence of unusual circumstances, the working capital currently available to us, together with our projected cash flows from operations, will be sufficient to meet our present financial requirements, including anticipated expansion, planned capital expenditures, and scheduled lease payments and debt service obligations for at least the next 12 months.

        At December 31, 2013, our total capital mix was 52.6% equity and 47.4% long-term debt, compared to 48.5% equity and 51.5% long-term debt at December 31, 2012.

        As of December 31, 2013 and 2012, SkyWest Airlines had a $25 million line of credit. As of December 31, 2013 and 2012, SkyWest Airlines had no amount outstanding under the facility. The facility is scheduled to expire on March 31, 2014 and has a variable interest rate of Libor plus 3%.

        As of December 31, 2013, we had $88.5 million in letters of credit and surety bonds outstanding with various banks and surety institutions.

        As of December 31, 2013 and 2012, we classified $12.2 million and $19.6 million as restricted cash, respectively, related to our workers compensation policies.

Significant Commitments and Obligations

General

        The following table summarizes our commitments and obligations as noted for each of the next five years and thereafter (in thousands):

 
  Total   2014   2015   2016   2017   2018   Thereafter  

Operating lease payments for aircraft and facility obligations

  $ 1,889,363   $ 380,413   $ 331,151   $ 258,464   $ 194,258   $ 153,294   $ 571,783  

Firm aircraft commitments

    1,166,829     709,700     447,157     9,972              

Interest commitments(A)

    363,311     64,564     57,736     50,601     43,409     36,800     110,201  

Principal maturities on long-term debt

    1,470,568     177,389     184,510     188,240     161,735     139,020     619,674  
                               

Total commitments and obligations

  $ 4,890,071   $ 1,332,066   $ 1,020,554   $ 507,277   $ 399,402   $ 329,114   $ 1,301,658  
                               

(A)
At December 31, 2013, we had variable rate notes representing 29.5% of our total long-term debt. Actual interest commitments will change based on the actual variable interest.

Purchase Commitments and Options

        On May 21, 2013, we announced our execution of an agreement with Embraer, S.A. for the purchase of 100 new E175 dual-class regional jet aircraft. Of the 100 aircraft, 40 are considered firm deliveries and the remaining 60 aircraft are considered conditional until we enter into capacity purchase agreements with other major airlines to operate the aircraft. We anticipate that we will begin taking

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delivery of these aircraft in March 2014 and have scheduled delivery of the remaining aircraft covered by the order through August 2015.

        We have not historically funded a substantial portion of our aircraft acquisitions with working capital. Rather, we have generally funded our aircraft acquisitions through a combination of operating leases and long-term debt financing. At the time of each aircraft acquisition, we evaluate the financing alternatives available to us, and select one or more of these methods to fund the acquisition. At present, we intend to fund our acquisition of any additional aircraft through a combination of operating leases and debt financing, consistent with our historical practices. Based on current market conditions and discussions with prospective leasing organizations and financial institutions, we currently believe that we will be able to obtain financing for our committed acquisitions, as well as additional aircraft, without materially reducing the amount of working capital available for our operating activities.

Aircraft Lease and Facility Obligations

        We also have significant long-term lease obligations, primarily relating to our aircraft fleet. At December 31, 2013, we had 570 aircraft under lease with remaining terms ranging from one to 12 years. Future minimum lease payments due under all long-term operating leases were approximately $1.9 billion at December 31, 2013. Assuming a 5.8% discount rate, which is the average rate used to approximate the implicit rates within the applicable aircraft leases, the present value of these lease obligations would have been equal to approximately $1.5 billion at December 31, 2013.

Long-term Debt Obligations

        As of December 31, 2013, we had $1.5 billion of long-term debt obligations related to the acquisition of CRJ200, CRJ700 and CRJ900 aircraft. The average effective interest rate on the debt related to the CRJ aircraft was approximately 4.5% at December 31, 2013.

Guarantees

        We have guaranteed the obligations of SkyWest Airlines under the SkyWest Airlines Delta Connection Agreement and the obligations of ExpressJet under the ExpressJet Delta Connection Agreement. We have also guaranteed the obligations of ExpressJet under the United CPA.

ITEM 7A.    QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Aircraft Fuel

        In the past, we have not experienced difficulties with fuel availability and we currently expect to be able to obtain fuel at prevailing prices in quantities sufficient to meet our future needs. Pursuant to our contract flying arrangements, United, Delta, Alaska, American and US Airways have agreed to bear the economic risk of fuel price fluctuations on our contracted flights. We bear the economic risk of fuel price fluctuations on our pro-rate operations. For the year ended December 31, 2013, approximately 3% of our ASMs were flown under pro-rate arrangements. The average price per gallon of aircraft fuel decreased 3.9% to $3.45 for the year ended December 31, 2013, from $3.59 for the year ended December 31, 2012. For illustrative purposes only, we have estimated the impact of the market risk of fuel on our pro-rate operations using a hypothetical increase of 25% in the price per gallon we purchase. Based on this hypothetical assumption, we would have incurred an additional $25.3 million in fuel expense for the year ended December 31, 2013.

Interest Rates

        Our earnings are affected by changes in interest rates due to the amounts of variable rate long-term debt and the amount of cash and securities held. The interest rates applicable to variable

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rate notes may rise and increase the amount of interest expense. We would also receive higher amounts of interest income on cash and securities held at the time; however, the market value of our available-for-sale securities would likely decline. At December 31, 2013, we had variable rate notes representing 29.5% of our total long-term debt compared to 31.7% of our long-term debt at December 31, 2012. For illustrative purposes only, we have estimated the impact of market risk using a hypothetical increase in interest rates of one percentage point for both variable rate long-term debt and cash and securities. Based on this hypothetical assumption, we would have incurred an additional $4.8 million in interest expense and received $6.7 million in additional interest income for the year ended December 31, 2013, and we would have incurred an additional $5.5 million in interest expense and received $6.5 million in additional interest income for the year ended December 31, 2012. However, under our contractual arrangement with our major partners, the majority of the increase in interest expense would be passed through and recorded as passenger revenue in our consolidated statements of comprehensive income (loss). If interest rates were to decline, our major partners would receive the principal benefit of the decline, since interest expense is generally passed through to our major partners, resulting in a reduction to passenger revenue in our consolidated statement of comprehensive income (loss).

        We currently intend to finance the acquisition of aircraft through manufacturer financing, third-party leases or long-term borrowings. Changes in interest rates may impact the actual cost to us to acquire these aircraft. To the extent we place these aircraft in service under our code-share agreements with Delta, United, or other carriers, our code-share agreements currently provide that reimbursement rates will be adjusted higher or lower to reflect changes in our aircraft rental rates.

Auction Rate Securities

        We have investments in auction rate securities, which are classified as available for sale securities and reflected at fair value. As of December 31, 2013, we had investments in auction rate securities valued at a total of $2.2 million which were classified as "Other Assets" on our consolidated balance sheet. For a more detailed discussion on auction rate securities, including our methodology for estimating their fair value, see Note 6 to our consolidated financial statements appearing in Item 8 of this Report.

ITEM 8.    FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

        The information set forth below should be read together with the "Management's Discussion and Analysis of Financial Condition and Results of Operations," appearing elsewhere herein.

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Report of Independent Registered Public Accounting Firm

The Board of Directors and Stockholders
SkyWest, Inc.

        We have audited the accompanying consolidated balance sheets of SkyWest, Inc. and subsidiaries as of December 31, 2013 and 2012, and the related consolidated statements of comprehensive income (loss), stockholders' equity, and cash flows for each of the three years in the period ended December 31, 2013. These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on these financial statements based on our audits.

        We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

        In our opinion, the financial statements referred to above present fairly, in all material respects, the consolidated financial position of SkyWest, Inc. and subsidiaries at December 31, 2013 and 2012, and the consolidated results of their operations and their cash flows for each of the three years in the period ended December 31, 2013, in conformity with U.S. generally accepted accounting principles.

        We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), SkyWest, Inc. and subsidiaries' internal control over financial reporting as of December 31, 2013, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated February 14, 2014 expressed an unqualified opinion thereon.

/s/ Ernst & Young LLP

Salt Lake City, Utah
February 14, 2014

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SKYWEST, INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(Dollars in thousands)


ASSETS

 
  December 31,
2013
  December 31,
2012
 

CURRENT ASSETS:

             

Cash and cash equivalents

  $ 170,636   $ 133,772  

Marketable securities

    487,239     556,117  

Restricted cash

    12,219     19,553  

Income tax receivable

    840      

Receivables, net

    111,186     130,102  

Inventories, net

    138,094     113,581  

Prepaid aircraft rents

    360,781     325,999  

Deferred tax assets

    156,050     124,320  

Other current assets

    27,392     30,596  
           

Total current assets

    1,464,437     1,434,040  
           

PROPERTY AND EQUIPMENT:

             

Aircraft and rotable spares

    4,080,886     3,997,926  

Deposits on aircraft

    40,000      

Buildings and ground equipment

    279,965     274,085  
           

    4,400,851     4,272,011  

Less-accumulated depreciation and amortization

    (1,749,058 )   (1,561,015 )
           

Total property and equipment, net

    2,651,793     2,710,996  
           

OTHER ASSETS

             

Intangible assets, net

    14,998     17,248  

Other assets

    101,991     92,353  
           

Total other assets

    116,989     109,601  
           

Total assets

  $ 4,233,219   $ 4,254,637  
           
           

   

See accompanying notes to consolidated financial statements.

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SKYWEST, INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS (Continued)

(Dollars in thousands)


LIABILITIES AND STOCKHOLDERS' EQUITY

 
  December 31,
2013
  December 31,
2012
 

CURRENT LIABILITIES:

             

Current maturities of long-term debt

  $ 177,389   $ 171,454  

Accounts payable

    245,518     222,671  

Accrued salaries, wages and benefits

    133,002     121,352  

Accrued aircraft rents

    7,492     12,745  

Taxes other than income taxes

    19,626     22,353  

Income tax payable

        1,255  

Other current liabilities

    37,437     39,595  
           

Total current liabilities

    620,464     591,425  
           

OTHER LONG TERM LIABILITIES

    76,305     57,422  
           

LONG TERM DEBT, net of current maturities

    1,293,179     1,470,568  
           

DEFERRED INCOME TAXES PAYABLE

    727,358     657,620  
           

DEFERRED AIRCRAFT CREDITS

    80,974     90,427  
           

COMMITMENTS AND CONTINGENCIES (Note 6)

             

STOCKHOLDERS' EQUITY:

             

Preferred stock, 5,000,000 shares authorized; none issued

         

Common stock, no par value, 120,000,000 shares authorized; 77,325,702 and 76,713,154 shares issued, respectively

    618,511     609,763  

Retained earnings

    1,197,819     1,147,117  

Treasury stock, at cost, 26,095,636 and 25,280,364 shares, respectively

    (382,950 )   (371,211 )

Accumulated other comprehensive income (Note 1)

    1,559     1,506  
           

Total stockholders' equity

    1,434,939     1,387,175  
           

Total liabilities and stockholders' equity

  $ 4,233,219   $ 4,254,637  
           
           

   

See accompanying notes to consolidated financial statements.

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SKYWEST, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

(In thousands, except per share amounts)

 
  Year Ended December 31,  
 
  2013   2012   2011  

OPERATING REVENUES:

                   

Passenger

  $ 3,239,525   $ 3,467,546   $ 3,584,777  

Ground handling and other

    58,200     66,826     70,146  
               

Total operating revenues

    3,297,725     3,534,372     3,654,923  
               

OPERATING EXPENSES:

                   

Salaries, wages and benefits

    1,211,307     1,171,689     1,155,051  

Aircraft maintenance, materials and repairs

    686,381     659,869     712,926  

Aircraft rentals

    325,360     333,637     346,526  

Depreciation and amortization

    245,005     251,958     254,182  

Aircraft fuel

    193,513     426,387     592,871  

Station rentals and landing fees

    114,688     169,855     174,838  

Ground handling services

    129,119     125,148     131,462  

Acquisition related costs

            5,770  

Other, net

    239,241     229,842     240,192  
               

Total operating expenses

    3,144,614     3,368,385     3,613,818  
               

OPERATING INCOME

    153,111     165,987     41,105  
               

OTHER INCOME (EXPENSE):

                   

Interest income

    3,689     7,928     8,236  

Interest expense

    (68,658 )   (77,380 )   (80,383 )

Purchase accounting adjustment

            (5,711 )

Other, net

    10,390     (10,639 )   (13,417 )
               

Total other expense, net

    (54,579 )   (80,091 )   (91,275 )

INCOME (LOSS) BEFORE INCOME TAXES

    98,532     85,896     (50,170 )

PROVISION (BENEFIT) FOR INCOME TAXES

    39,576     34,739     (22,835 )
               

NET INCOME (LOSS)

  $ 58,956   $ 51,157   $ (27,335 )
               
               

BASIC EARNINGS (LOSS) PER SHARE

  $ 1.14   $ 1.00   $ (0.52 )
               

DILUTED EARNINGS (LOSS) PER SHARE

  $ 1.12   $ 0.99   $ (0.52 )
               
               

Weighted average common shares:

                   

Basic

    51,688     51,090     52,201  

Diluted

    52,422     51,746     52,201  

COMPREHENSIVE INCOME (LOSS):

                   

Net income (loss)

  $ 58,956   $ 51,157   $ (27,335 )

Proportionate share of other companies foreign currency translation adjustment, net of taxes

    66     (251 )   (295 )

Net unrealized appreciation (depreciation) on marketable securities, net of taxes

    (13 )   316     534  
               

TOTAL COMPREHENSIVE INCOME (LOSS)

  $ 59,009   $ 51,222   $ (27,096 )
               
               

   

See accompanying notes to consolidated financial statements.

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SKYWEST, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

(In thousands)

 
  Common Stock    
  Treasury Stock   Accumulated
Other
Comprehensive
Income (Loss)
   
 
 
  Retained
Earnings
   
 
 
  Shares   Amount   Shares   Amount   Total  

Balance at December 31, 2010

    75,245   $ 589,610   $ 1,139,739     (21,072 ) $ (309,628 ) $ 1,202   $ 1,420,923  

Net loss

            (27,335 )               (27,335 )

Proportionate share of other companies foreign currency translation adjustment, net of tax of $180

                        (295 )   (295 )

Net unrealized appreciation on marketable securities net of tax of $327

                        534     534  

Exercise of common stock options and issuance of restricted stock

    289     70                     70  

Sale of common stock under employee stock purchase plan

    300     4,372                     4,372  

Stock based compensation expense related to the issuance of stock options and restricted stock

        5,365                     5,365  

Tax deficiency from exercise of common stock options

        (432 )                   (432 )

Treasury stock purchases

                (4,149 )   (60,681 )       (60,681 )

Cash dividends declared ($0.16 per share)

            (8,260 )               (8,260 )
                               

Balance at December 31, 2011

    75,834     598,985     1,104,144     (25,221 )   (370,309 )   1,441     1,334,261  
                               
                               

Net income

            51,157                 51,157  

Proportionate share of other companies foreign currency translation adjustment, net of tax of $154

                        (251 )   (251 )

Net unrealized appreciation on marketable securities, net of tax of $194

                        316     316  

Exercise of common stock options and issuance of restricted stock

    392     1,879                     1,879  

Sale of common stock under employee stock purchase plan

    487     4,068                     4,068  

Stock based compensation expense related to the issuance of stock options and restricted stock

        4,693                     4,693  

Tax benefit from exercise of common stock options

        138                     138  

Treasury stock purchases

                (59 )   (902 )       (902 )

Cash dividends declared ($0.16 per share)

            (8,184 )               (8,184 )
                               

Balance at December 31, 2012

    76,713     609,763     1,147,117     (25,280 )   (371,211 )   1,506     1,387,175  
                               
                               

Net income

            58,956                 58,956  

Proportionate share of other companies foreign currency translation adjustment, net of tax of $8

                        66     66  

Net unrealized depreciation on marketable securities, net of tax of $43

                        (13 )   (13 )

Exercise of common stock options and issuance of restricted stock

    313     835                     835  

Sale of common stock under employee stock purchase plan

    300     3,696                     3,696  

Stock based compensation expense related to the issuance of stock options and restricted stock

        4,363                     4,363  

Tax deficiency from exercise of common stock options

        (146 )                   (146 )

Treasury stock purchases

                (816 )   (11,739 )       (11,739 )

Cash dividends declared ($0.16 per share)

            (8,254 )               (8,254 )
                               

Balance at December 31, 2013

    77,326   $ 618,511   $ 1,197,819     (26,096 ) $ (382,950 ) $ 1,559   $ 1,434,939  
                               
                               

   

See accompanying notes to consolidated financial statements.

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SKYWEST, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

 
  Year Ended December 31,  
 
  2013   2012   2011  

CASH FLOWS FROM OPERATING ACTIVITIES:

                   

Net income (loss)

  $ 58,956   $ 51,157   $ (27,335 )

Adjustments to reconcile net income to net cash provided by operating activities:

                   

Depreciation and amortization

    245,005     251,958     254,182  

Stock based compensation expense

    4,363     4,693     5,365  

Loss (gain) on sale of property and equipment

        621     (29 )

Undistributed losses (earnings) of other companies

    (10,830 )   10,199     13,273  

Capitalized Brasilia engine overhauls

    (29,606 )   (25,742 )   (17,792 )

Adjustment to purchase accounting gain

            5,711  

Net increase (decrease) in deferred income taxes

    38,007     34,800     (21,537 )

Changes in operating assets and liabilities:

                   

Decrease (increase) in restricted cash

    7,334     (119 )   2,341  

Decrease (increase) in receivables

    18,916     408     (10,665 )

Decrease (increase)in income tax receivable

    (840 )   1,568     1,788  

Decrease (increase) in inventories

    (24,513 )   1,630     (8,639 )

Increase in other current assets and prepaid aircraft rents

    (31,578 )   (39,451 )   (28,668 )

Decrease in deferred aircraft credits

    (8,432 )   (7,112 )   (8,586 )

Increase (decrease) in accounts payable and accrued aircraft rents

    17,594     (7,653 )   10,161  

Increase (decrease) in other current liabilities

    5,514     11,867     (7,444 )
               

NET CASH PROVIDED BY OPERATING ACTIVITIES

    289,890     288,824     162,126  
               

CASH FLOWS FROM INVESTING ACTIVITIES: