CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Operating Revenues
Passenger, Mainline	$ 901	$ 854
Passenger, Regional	186	186
Total passenger revenue	1,087	1,040
Freight and mail	23	24
Other - net	159	158
Total Operating Revenues	1,269	1,222
Operating Expenses
Wages and benefits	306	272
Variable incentive pay	26	25
Aircraft fuel, including hedging gains and losses	235	358
Aircraft maintenance	63	51
Aircraft rent	26	28
Landing fees and other rentals	71	69
Contracted services	67	60
Selling expenses	53	46
Depreciation and amortization	76	70
Food and beverage service	25	21
Other	83	81
Total Operating Expenses	1,031	1,081
Operating Income	238	141
Nonoperating Income (Expense)
Interest income	5	5
Interest expense	(11)	(12)
Interest capitalized	8	5
Other - net	0	13
Nonoperating Income (Expense) Total	2	11
Income before income tax	240	152
Income tax expense	91	58
Net Income	$ 149	$ 94
Basic Earnings Per Share (usd per share)	$ 1.13	$ 0.69
Diluted Earnings Per Share (usd per share)	$ 1.12	$ 0.68
Shares used for computation:
Basic shares (shares)	131,120	137,334
Diluted shares (shares)	132,230	138,822
Cash dividend declared per share (usd per share)	$ 0.20	$ 0.125