CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Operating Revenues
Passenger, Mainline	$ 974	$ 896	$ 1,828	$ 1,692
Passenger, Regional	200	192	386	374
Total passenger revenue	1,174	1,088	2,214	2,066
Freight and mail	32	30	56	56
Other - net	169	138	327	268
Total Operating Revenues	1,375	1,256	2,597	2,390
Operating Expenses
Wages and benefits	281	258	553	522
Variable incentive pay	29	21	54	42
Aircraft fuel, including hedging gains and losses	360	372	718	753
Aircraft maintenance	57	67	108	133
Aircraft rent	29	30	57	59
Landing fees and other rentals	64	75	133	136
Contracted services	62	54	122	107
Selling expenses	53	51	99	89
Depreciation and amortization	73	68	143	136
Food and beverage service	23	21	44	41
Other	81	65	161	133
Total Operating Expenses	1,112	1,082	2,192	2,151
Operating Income	263	174	405	239
Nonoperating income (expense)
Interest income	5	4	10	9
Interest expense	(12)	(14)	(25)	(29)
Interest Costs Capitalized Adjustment	4	5	9	9
Other - net	5	0	18	1
Nonoperating Income (Expense) Total	2	(5)	12	(10)
Income before income tax	265	169	417	229
Income tax expense	100	65	158	88
Net Income	$ 165	$ 104	$ 259	$ 141
Basic Earnings Per Share	$ 1.20	$ 0.75	$ 1.88	$ 1.00
Diluted Earnings Per Share	$ 1.19	$ 0.74	$ 1.86	$ 0.99
Shares used for computation:
Basic shares	137,274,462	140,503,726	137,304,222	140,683,204
Diluted shares	138,711,132	142,318,724	138,775,985	142,594,302
Common Stock, Dividends, Per Share, Declared	$ 0.125	$ 0.000	$ 0.250	$ 0.000