Statements of Consolidated Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating revenue:
Operating revenue	$ 7,979	$ 9,589
Operating expense:
Salaries and related costs	2,955	2,873
Aircraft fuel	1,726	2,023
Regional capacity purchase	737	688
Landing fees and other rent	623	588
Depreciation and amortization	615	547
Aircraft maintenance materials and outside repairs	434	408
Distribution expenses	295	360
Aircraft rent	50	81
Special charges	63	18
Other operating expenses	1,453	1,508
Total operating expenses	8,951	9,094
Operating income (loss)	(972)	495
Nonoperating income (expense):
Interest expense	(171)	(188)
Interest capitalized	21	22
Interest income	26	29
Unrealized gains (losses) on investments, net	(319)	17
Miscellaneous, net	(699)	(8)
Total nonoperating expense, net	(1,142)	(128)
Income (loss) before income taxes	(2,114)	367
Income tax expense (benefit)	(410)	75
Net income (loss)	$ (1,704)	$ 292
Earnings (loss) per share, basic and diluted (in dollars per share)	$ (6.86)	$ 1.09
United Airlines, Inc.
Operating revenue:
Operating revenue	$ 7,979	$ 9,589
Operating expense:
Salaries and related costs	2,955	2,873
Aircraft fuel	1,726	2,023
Regional capacity purchase	737	688
Landing fees and other rent	623	588
Depreciation and amortization	615	547
Aircraft maintenance materials and outside repairs	434	408
Distribution expenses	295	360
Aircraft rent	50	81
Special charges	63	18
Other operating expenses	1,453	1,507
Total operating expenses	8,951	9,093
Operating income (loss)	(972)	496
Nonoperating income (expense):
Interest expense	(171)	(188)
Interest capitalized	21	22
Interest income	26	29
Unrealized gains (losses) on investments, net	(319)	17
Miscellaneous, net	(698)	(8)
Total nonoperating expense, net	(1,141)	(128)
Income (loss) before income taxes	(2,113)	368
Income tax expense (benefit)	(409)	75
Net income (loss)	(1,704)	293
Passenger revenue
Operating revenue:
Operating revenue	7,065	8,725
Passenger revenue | United Airlines, Inc.
Operating revenue:
Operating revenue	7,065	8,725
Cargo
Operating revenue:
Operating revenue	264	286
Cargo | United Airlines, Inc.
Operating revenue:
Operating revenue	264	286
Other operating revenue
Operating revenue:
Operating revenue	650	578
Other operating revenue | United Airlines, Inc.
Operating revenue:
Operating revenue	$ 650	$ 578