Statements of Consolidated Operations - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating revenue:
Passenger-Mainline	$ 5,831	$ 5,577
Passenger-Regional	1,343	1,413
Total passenger revenue	7,174	6,990
Cargo	220	194
Other operating revenue	1,026	1,011
Total operating revenue	8,420	8,195
Operating expense:
Salaries and related costs	2,661	2,490
Aircraft fuel	1,560	1,218
Landing fees and other rent	544	525
Regional capacity purchase	536	522
Depreciation and amortization	518	479
Aircraft maintenance materials and outside repairs	454	402
Distribution expenses	307	303
Aircraft rent	179	178
Special charges (Note 10)	51	190
Other operating expenses	1,332	1,239
Total operating expenses	8,142	7,546
Operating income	278	649
Nonoperating income (expense):
Interest expense	(150)	(159)
Interest capitalized	23	14
Interest income	11	8
Miscellaneous, net (Note 10)	(17)	(18)
Total nonoperating expense, net	(133)	(155)
Income before income taxes	145	494
Income tax expense	49	181
Net income	$ 96	$ 313
Earnings per share, basic	$ 0.31	$ 0.88
Earnings per share, diluted	$ 0.31	$ 0.88
United Airlines, Inc.
Operating revenue:
Passenger-Mainline	$ 5,831	$ 5,577
Passenger-Regional	1,343	1,413
Total passenger revenue	7,174	6,990
Cargo	220	194
Other operating revenue	1,026	1,011
Total operating revenue	8,420	8,195
Operating expense:
Salaries and related costs	2,661	2,490
Aircraft fuel	1,560	1,218
Landing fees and other rent	544	525
Regional capacity purchase	536	522
Depreciation and amortization	518	479
Aircraft maintenance materials and outside repairs	454	402
Distribution expenses	307	303
Aircraft rent	179	178
Special charges (Note 10)	51	190
Other operating expenses	1,332	1,238
Total operating expenses	8,142	7,545
Operating income	278	650
Nonoperating income (expense):
Interest expense	(150)	(159)
Interest capitalized	23	14
Interest income	11	8
Miscellaneous, net (Note 10)	(16)	(18)
Total nonoperating expense, net	(132)	(155)
Income before income taxes	146	495
Income tax expense	49	181
Net income	$ 97	$ 314