CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Operating Revenues
Passenger, Mainline	$ 1,073	$ 1,057	$ 3,036	$ 2,977
Passenger, Regional	249	240	682	638
Total passenger revenue	1,322	1,297	3,718	3,615
Freight and mail	31	30	82	83
Other - net	213	188	607	523
Total Operating Revenues	1,566	1,515	4,407	4,221
Operating Expenses
Wages and benefits	340	312	1,008	923
Variable incentive pay	31	32	95	90
Aircraft fuel, including hedging gains and losses	225	245	593	741
Aircraft maintenance	64	67	197	182
Aircraft rent	25	26	80	78
Landing fees and other rentals	89	80	232	217
Contracted services	63	54	183	157
Selling expenses	58	53	162	160
Depreciation and amortization	101	81	281	236
Food and beverage service	31	30	93	83
Third-party regional carrier expense	25	20	72	52
Other	92	82	267	259
Special items - merger costs	22	0	36	0
Total Operating Expenses	1,166	1,082	3,299	3,178
Operating Income	400	433	1,108	1,043
Nonoperating Income (Expense)
Interest income	7	5	20	16
Interest expense	(11)	(10)	(33)	(32)
Interest capitalized	6	9	21	25
Other - net	0	0	(2)	1
Nonoperating Income (Expense) Total	2	4	6	10
Income before income tax	402	437	1,114	1,053
Income tax expense	146	163	414	396
Net Income	$ 256	$ 274	$ 700	$ 657
Basic Earnings Per Share (usd per share)	$ 2.08	$ 2.15	$ 5.66	$ 5.08
Diluted Earnings Per Share (usd per share)	$ 2.07	$ 2.14	$ 5.63	$ 5.05
Shares used for computation:
Basic shares (shares)	123,149,000	127,308,000	123,648,000	129,231,000
Diluted shares (shares)	123,833,000	128,205,000	124,393,000	130,200,000
Cash dividend declared per share (usd per share)	$ 0.275	$ 0.20	$ 0.825	$ 0.60