8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

____________________

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): December 12, 2017

____________________

SPIRIT AIRLINES, INC.

(Exact name of registrant as specified in its charter)

Delaware

(State or other jurisdiction of incorporation)

001-35186 (Commission File Number) 38-1747023 (IRS Employer Identification Number)

2800 Executive Way

Miramar, Florida 33025

(Address of principal executive offices, including Zip Code)

(954) 447-7920

(Registrant's telephone number, including area code)

____________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[]	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[]	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[]	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
[]	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01 Regulation FD

The information in this report furnished pursuant to Item 7.01 shall not be deemed “filed” for the purposes of Section 18 of the Securities and Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. It may only be incorporated by reference in another filing under the Exchange Act or the Securities Act of 1933, as amended, if such subsequent filing specifically references the information furnished pursuant to Item 7.01 of this report.

On December 12, 2017, Spirit Airlines, Inc. reported certain operating and traffic statistics for November2017, a copy of which report is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.	Description
99.1	November 2017 Traffic Results

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: December 12, 2017	SPIRIT AIRLINES, INC.
	By: /s/ Thomas Canfield
	Name: Thomas Canfield
	Title: Senior Vice President and General Counsel

EXHIBIT INDEX

Exhibit No.	Description
99.1	November 2017 Traffic Results

EX-99.1

Exhibit 99.1

Spirit Airlines Reports November2017 Traffic

MIRAMAR, Fla.,(December 12, 2017) - Spirit Airlines (NASDAQ: SAVE) today reported its preliminary traffic results for November2017.

Traffic (revenue passenger miles) in November2017 increased 17.3 percent versus November2016 on a capacity (available seat miles) increase of 17.1 percent. Load factor for November2017 was 81.4 percent, an increase of 0.1 percentage points compared to November2016.

Preliminary Traffic Results

	November 2017		November 2016		Change
Revenue passenger miles (RPMs) (000)	2,075,408		1,768,981		17.3	%
Available seat miles (ASMs) (000)	2,549,989		2,177,315		17.1	%
Load factor	81.4	%	81.3	%	0.1 pts
Passenger flight segments	1,993,724		1,761,103		13.2	%
Average stage length (miles)	1,025		986		4.0	%
Total departures	13,821		12,531		10.3	%
	YTD 2017		YTD 2016		Change
Revenue passenger miles (RPMs) (000)	22,462,789		19,716,075		13.9	%
Available seat miles (ASMs) (000)	26,928,788		23,172,117		16.2	%
Load factor	83.4	%	85.1	%	(1.7) pts
Passenger flight segments	22,130,090		19,760,427		12.0	%
Average stage length (miles)	996		978		1.8	%
Total departures	151,250		136,202		11.0	%

Preliminary Operational Performance

	November 2017
On-Time Performance1	89.7	%
Systemwide Completion Factor	99.6	%

¹As defined by the Department of Transportation

About Spirit Airlines:

Spirit Airlines (NASDAQ: SAVE) is committed to offering the lowest total price to the places we fly, on average much lower than other airlines. Our customers start with an unbundled, stripped-down Bare Fare™ and get Frill Control™ which allows them to pay only for the options they choose - like bags, seat assignments and refreshments - the things other airlines bake right into their ticket prices. We help people save money and travel more often, create new jobs and stimulate business growth in the communities we serve. With our Fit Fleet™, the youngest fleet of any major U.S. airline, we operate more than 450 daily flights to 60 destinations in the U.S., Latin America and the Caribbean. Come save with us atwww.spirit.com.

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