CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Operating Revenues
Passenger, Mainline	$ 854	$ 796
Passenger, Regional	186	182
Total passenger revenue	1,040	978
Freight and mail	24	26
Other - net	158	129
Total Operating Revenues	1,222	1,133
Operating Expenses
Wages and benefits	272	264
Variable incentive pay	25	21
Aircraft fuel, including hedging gains and losses	358	381
Aircraft maintenance	51	66
Aircraft rent	28	30
Landing fees and other rentals	69	60
Contracted services	60	53
Selling expenses	46	38
Depreciation and amortization	70	69
Food and beverage service	21	20
Other	81	67
Total Operating Expenses	1,081	1,069
Operating Income	141	64
Nonoperating income (expense)
Interest income	5	4
Interest expense	(12)	(16)
Interest Costs Capitalized Adjustment	5	5
Other - net	13	2
Nonoperating Income (Expense) Total	11	(5)
Income before income tax	152	59
Income tax expense	58	22
Net Income	$ 94	$ 37
Basic Earnings Per Share	$ 1.37	$ 0.52
Diluted Earnings Per Share	$ 1.35	$ 0.51
Shares used for computation:
Basic shares	68,667,217	70,431,000
Diluted shares	69,410,618	71,414,000
Common Stock, Dividends, Per Share, Declared	$ 0.25	$ 0.00