CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating Revenues
Passenger, Mainline	$ 3,774	$ 3,490	$ 3,284
Passenger, Regional	805	777	746
Total passenger revenue	4,579	4,267	4,030
Freight and mail	114	113	111
Other - net	675	584	516
Special Revenue	0	192	0
Total Operating Revenues	5,368	5,156	4,657
Operating Expenses
Wages and benefits	1,136	1,086	1,038
Variable incentive pay	116	105	88
Aircraft fuel, including hedging gains and losses	1,418	1,467	1,459
Aircraft maintenance	229	247	222
Aircraft rent	110	119	116
Landing fees and other rentals	279	262	243
Contracted services	254	221	200
Selling expenses	199	179	168
Depreciation and amortization	294	270	264
Food and beverage service	93	84	79
Other	308	278	248
Special Item	(30)	0	0
Total Operating Expenses	4,406	4,318	4,125
Operating Income	962	838	532
Nonoperating income (expense)
Interest income	21	18	19
Interest expense	(48)	(56)	(64)
Interest Costs Capitalized Adjustment	20	21	18
Other - net	20	(5)	9
Nonoperating Income (Expense) Total	13	(22)	(18)
Income (loss) before income tax	975	816	514
Income tax expense	370	308	198
Net Income	$ 605	$ 508	$ 316
Basic Earnings Per Share:	$ 4.47	$ 3.63	$ 2.23
Diluted Earnings Per Share:	$ 4.42	$ 3.58	$ 2.20
Shares used for computation:
Basic	135,445	139,910	141,416
Diluted	136,801	141,878	143,568
Common Stock, Dividends, Per Share, Declared	$ 0.50	$ 0.20	$ 0.00