Calculate for the last 3 years The ratios: Accounts Receivable Turnover; Average Collection Period for A/R; Current Ratio; Debt to Equity Ratio; Inventory turnover; Average Inventory days outstanding; Return on Assets; Return on Equity; Return on Investment; Return on Net Operating Assets; Profit Margin; Asset Turnover SOUTHWEST AIRLINES CO (Filer) CIK: 0000092380 Print Document View Excel Document Cover Document And Entity Information Financial Statements Notes to Financial Statements Accounting Policies Notes Tables Notes Details ReportsAll Reports Document And Entity Information - USD ($) 12 Months Ended Dec. 31, 2018 Feb. 01, 2019 Jun. 30, 2018 Document And Entity Information [Abstract] Entity Registrant Name SOUTHWEST AIRLINES CO Entity Central Index Key 0000092380 Current Fiscal Year End Date --12-31 Entity Filer Category Large Accelerated Filer Document Type 10-K Document Period End Date Dec. 31, 2018 Document Fiscal Year Focus 2018 Document Fiscal Period Focus FY Amendment Flag false Entity Common Stock, Shares Outstanding 552,688,849 Entity Well-known Seasoned Issuer Yes Entity Voluntary Filers No Entity Current Reporting Status Yes Entity Public Float $ 29,086,256,077 Entity Small Business false Entity Emerging Growth Company false Entity Shell Company false

Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Revenue:
Operating revenue	$ 44,438	$ 41,138	$ 39,450
Operating Expense:
Salaries and related costs	10,743	10,058	9,394
Aircraft fuel and related taxes	9,020	6,756	5,985
Regional carriers expense, excluding fuel	3,438	3,466	3,447
Depreciation and amortization	2,329	2,222	1,886
Contracted services	2,175	2,108	1,918
Passenger commissions and other selling expenses	1,941	1,827	1,751
Ancillary businesses and refinery	1,695	1,495	1,182
Landing fees and other rents	1,662	1,501	1,472
Aircraft maintenance materials and outside repairs	1,575	1,591	1,434
Profit sharing	1,301	1,065	1,115
Passenger service	1,178	1,123	964
Aircraft rent	394	351	285
Other	1,723	1,609	1,621
Total operating expense	39,174	35,172	32,454
Operating Income	5,264	5,966	6,996
Non-Operating Expense:
Interest expense, net	(311)	(396)	(388)
Unrealized gain/(loss) on investments, net	14	0	0
Miscellaneous, net	184	(70)	(255)
Total non-operating expense, net	(113)	(466)	(643)
Income Before Income Taxes	5,151	5,500	6,353
Income Tax Provision	(1,216)	(2,295)	(2,158)
Net Income	$ 3,935	$ 3,205	$ 4,195
Basic Earnings Per Share (usd per share)	$ 5.69	$ 4.45	$ 5.59
Diluted Earnings Per Share (usd per share)	5.67	4.43	5.55
Cash Dividends Declared Per Share (usd per share)	$ 1.31	$ 1.02	$ 0.68
Passenger
Operating Revenue:
Operating revenue	$ 39,755	$ 36,947	$ 35,814
Cargo
Operating Revenue:
Operating revenue	865	744	684
Other
Operating Revenue:
Operating revenue	$ 3,818	$ 3,447	$ 2,952

Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net Income	$ 3,935	$ 3,205	$ 4,195
Other comprehensive (loss) income:
Net change in derivative contracts	15	(29)	(37)
Net change in pension and other benefits	(113)	(98)	(360)
Net change in investments	0	142	36
Total Other Comprehensive (Loss) Income	(98)	15	(361)
Comprehensive Income	$ 3,837	$ 3,220	$ 3,834

Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash Flows From Operating Activities:
Net income	$ 3,935	$ 3,205	$ 4,195
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,329	2,222	1,886
Deferred income taxes	1,364	2,242	2,118
Pension, postretirement and postemployment payments greater than expense	(790)	(3,302)	(717)
Changes in certain assets and liabilities:
Receivables	108	(428)	(134)
Fuel inventory	324	(397)	(140)
Prepaid expenses and other current assets	(440)	(57)	(26)
Profit sharing	233	(51)	(383)
Accounts payable and accrued liabilities	(418)	955	298
Other, net	(247)	(49)	(237)
Net cash provided by operating activities	7,014	5,023	7,215
Property and equipment additions:
Flight equipment, including advance payments	(3,704)	(2,704)	(2,617)
Ground property and equipment, including technology	(1,464)	(1,187)	(774)
Purchase of equity investments	0	(1,245)	0
Purchase of short-term investments	(145)	(925)	(1,707)
Redemption of short-term investments	766	584	2,686
Other, net	154	211	257
Net cash used in investing activities	(4,393)	(5,266)	(2,155)
Cash Flows From Financing Activities:
Payments on long-term debt and finance lease obligations	(3,052)	(1,258)	(1,709)
Repurchase of common stock	(1,575)	(1,677)	(2,601)
Cash dividends	(909)	(731)	(509)
Fuel card obligation	7	636	211
Proceeds from long-term obligations	3,745	2,454	450
Other, net	58	(154)	(102)
Net cash used in financing activities	(1,726)	(730)	(4,260)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	895	(973)	800
Cash, cash equivalents and restricted cash at beginning of period	1,853	2,826	2,026
Cash, cash equivalents and restricted cash at end of period	2,748	1,853	2,826
Supplemental Disclosure of Cash Paid for Interest	376	390	385
Non-Cash Transactions:
Treasury stock contributed to our qualified defined benefit pension plans	0	350	350
Flight and ground equipment acquired under finance leases	100	261	86
Flight and ground equipment acquired under operating leases	1,041	0	0
Air traffic
Changes in certain assets and liabilities:
Liabilites and deferred revenue	297	284	157
Loyalty program
Changes in certain assets and liabilities:
Liabilites and deferred revenue	$ 319	$ 399	$ 198