Alaska Air Group Inc
All units in Millions or Millions USD	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018*	2019	2020
Income Statement
Passenger Revenue	2,039	1,972	2,038	2,243	2,495	2,729	3,083	3,237	3,356	3,107	3,489	3,951	4,030	4,267	4,579	4,793	5,006	6,818	7,632	8,095	3,019
Regional Affiliate Revenue	426	380	394	442	487	544	633	709	723	668	725	775	746	777	805	854	908	960	0	0	0
Total Revenue	2,194	2,153	2,224	2,445	2,724	2,975	3,334	3,506	3,663	3,400	3,832	4,318	4,657	5,156	5,368	5,598	5,931	7,933	8,264	8,781	3,566
Wages Salaries & Benefits	716	796	858	942	962	904	937	958	944	988	961	991	1,038	1,086	1,136	1,254	1,382	1,924	2,190	2,370	2,053
Aircraft Fuel Expense	383	324	306	357	455	549	874	876	1,398	658	901	1,298	1,459	1,467	1,418	954	831	1,447	1,936	1,878	723
Depreciation & Amortization	108	134	133	133	143	143	158	177	205	219	231	247	264	270	294	320	363	372	398	0	0
Net Interest Expense	12	25	25	35	27	32	24	34	60	68	79	65	45	38	27	21	28	69	53	36	67
Operating Expense	2,227	2,279	2,317	2,456	2,718	2,809	3,422	3,294	3,835	3,132	3,361	3,869	4,125	4,318	4,406	4,300	4,582	6,673	7,621	7,718	5,341
Operating Income (Loss)	(33)	(126)	(93)	(18)	6	167	(87)	212	(172)	267	472	449	532	838	962	1,298	1,349	1,260	643	1,063	(1,775)
Pretax Income (Loss)	(27)	(64)	(102)	29	(21)	137	(88)	202	(213)	203	406	394	514	816	975	1,312	1,345	1,207	585	1,016	(1,840)
Net Income (Loss)	(67)	(43)	(119)	14	(15)	(6)	(53)	125	(136)	122	251	245	316	508	605	848	814	1,034	437	769	(1,324)
Balance Sheet Asset
Cash & Short-term Investment	462	661	636	812	874	983	1,014	823	1,077	1,192	1,208	1,141	1,252	1,330	1,217	1,328	1,580	1,621	1,236	1,521	3,346
Restricted Cash & Short-term Investments
Total Current Assets	702	919	954	1,148	1,242	1,540	1,572	1,390	1,509	1,634	1,662	1,596	1,737	1,762	1,756	1,663	2,050	2,146	1,787	2,037	4,006
Total Assets	2,528	2,951	2,881	3,259	3,335	3,792	4,077	4,491	4,836	4,996	5,017	5,195	5,505	5,838	6,181	6,530	9,962	10,740	10,912	12,993	14,046
Balance Sheet Liabilities
Air Traffic Liability	213	217	212	238	250	292	311	365	373	366	422	489	534	564	631	669	849	937	788	900	1,073
Current Liability	711	752	778	1,017	957	1,166	1,237	1,388	1,361	1,270	1,425	1,510	1,501	1,580	1,671	1,805	2,535	2,700	2,942	3,201	4,293
Long-term Debt & Capital Lease Obligations, Less Current Maturities	509	852	857	907	990	969	1,032	1,125	1,596	1,699	1,313	1,099	871	754	686	569	2,645	2,262	1,617	1,439	1,268
Pension & Post Retirement Benefits
Retained Earnings (Accumulated deficit)	415	404	286	299	284	278	207	332	193	315	566	811	1,127	1,607	2,144	2,890	3,568	4,454	4,534	5,133	3,764
Total Stockholder Equity (deficit)	895	851	656	674	665	828	886	1,024	662	872	1,105	1,173	1,421	2,029	2,127	2,411	2,931	3,721	3,751	4,331	2,988
Cash Flow Statement
Net Cash Provided by (Used in) Operating Activity	273	287	125	355	333	270	450	482	164	293	554	696	753	981	1,030	1,584	1,386	1,590	1,195	1,722	(234)
Net Cash Provided by (Used in) Investing Activities	(478)	(218)	(361)	(638)	(392)	(481)	(533)	(602)	(581)	(657)	(295)	(403)	(645)	(698)	(541)	(930)	(2,622)	(1,132)	(631)	(791)	(593)
Net Cash Provided by (Used in) Financing activities	174	321	15	207	(106)	257	240	93	496	246	(332)	(281)	(88)	(325)	(462)	(688)	1,491	(592)	(647)	(813)	1,981
Payments on Long-term Debt and Capital Lease Obligation	(66)	(69)	(44)	(71)	(210)	(54)	(203)	(132)	(343)	(261)	(321)	(334)	(275)	(161)	(119)	(116)	(249)	(397)	(807)	(1,058)	(565)
Proceeds from Issuance of Long-term Debt	238	389	58	274	95	94	408	282	884	275	0	107	0	0	51	0	2,044	0	339	450	2,564
Net Increase (Decrease) in Cash	(31)	389	(222)	(76)	(165)	46	157	(26)	79	(119)	(75)	12	20	(42)	27	(34)	255	(134)	(83)	118	1,154
Operating Statistics
Regional Passengers	5	5	5	5	6	6	7	8	7	7	7	7	7	8	8	9	9	9	10	11	6
Regional ASM	2,299	2,148	2,428	2,569	3,107	3,400	3,632	4,048	3,690	3,357	3,302	3,110	3,247	3,261	3,648	4,002	4,662	5,127	6,148	6,943	5,727
Regional RPM	1,428	1,350	1,514	1,640	2,155	2,475	2,691	2,960	2,678	2,449	2,491	2,446	2,590	2,661	2,940	3,238	3,720	4,101	4,892	5,627	3,055
Mainline Passengers	0	14	14	15	16	17	17	18	17	16	17	18	19	20	21	23	25	35	36	36	12
Mainline ASM	17,315	17,919	19,360	20,804	22,276	22,292	23,278	24,208	24,218	23,144	24,434	26,517	28,180	30,411	32,430	35,912	39,473	56,945	59,187	50,413	17,438
Mainline RPM	11,986	12,249	13,186	14,554	16,231	16,915	17,822	18,451	18,712	18,362	20,350	22,586	24,417	26,172	27,778	30,340	33,489	48,238	49,781	50,413	17,438
Data Source:  SEC 10K Filings
*Note: In 2018, many airlines changed their accounting principles to conform to new standards, which lead to some significant changes in the numbers reported compared to previous years. For the sake of clarity, many airlines provided recast 2017 results in their 10-K reports that can be found in SEC’s EDGAR tool.