Condensed Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Aug. 31, 2013	Aug. 31, 2012
Condensed Consolidated Statements of Income
REVENUES	$ 11,024	$ 10,792
OPERATING EXPENSES:
Salaries and employee benefits	4,077	4,103
Purchased transportation	1,879	1,680
Rentals and landing fees	640	618
Depreciation and amortization	639	573
Fuel	1,104	1,138
Maintenance and repairs	480	542
Other	1,410	1,396
OPERATING EXPENSES	10,229	10,050
OPERATING INCOME	795	742
OTHER INCOME (EXPENSE):
Interest, net	(27)	(10)
Other, net	(2)	(5)
OTHER INCOME (EXPENSE)	(29)	(15)
INCOME BEFORE INCOME TAXES	766	727
PROVISION FOR INCOME TAXES	277	268
NET INCOME	$ 489	$ 459
EARNINGS PER COMMON SHARE:
Basic	$ 1.54	$ 1.46
Diluted	$ 1.53	$ 1.45
DIVIDENDS DECLARED PER COMMON SHARE	$ 0.30	$ 0.28