Pension and Post Retirement Benefits
Millions
		2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011
AMR Corp		1,706	2,538	4,730	4,803	4,743	4,998	5,341	3,620	6,614	7,397	7,876	9,204
Continental Airlines Inc**		297	296	723	680	1,132	1,078	1,149	534	1,417	1,248	-	-
Delta Air Lines Inc		2,026	2,651	5,524	7,139	6,870	-	-	3,867	10,895	11,745	11,493	14,200
Northwest Airlines Corp		882	1,749	3,050	3,228	3,593	126	86	3,638	5,476	-	-	-
UAL Corp**		1,693	2,931	6,470	6,671	4,253	2,027	2,085	1,829	1,812	1,928	3,817	4,269
US Airways Group Inc I		1,407	1,474	1,443	1,651	2	-	-	-	-	-	-	-
US Airways Group Inc II		-	-	-	-	-	-	782	851	718	619	556	588
America West Holdings Corp		-	-	-	-	-	-	-	-	-	-	-	-
--sub Network		8,011	11,639	21,940	24,172	20,593	8,229	9,443	14,339	26,932	22,937	23,742	28,261
Southwest Airlines Co		-	-	-	-	-	-	-	-	-	-	-	-
JetBlue Airways Corp		-	-	-	-	-	-	-	-	-	-	-	-
AirTran Holdings Inc		-	-	-	-	-	-	-	-	-	-	-	-
Frontier Airlines Holdings Inc*		-	-	-	-	-	-	-	-	-	-	-	-
--sub LCC		-	-	-	-	-	-	-	-	-	-	-	-
Alaska Air Group Inc		-	-	-	-	-	-	-	-	-	-	-	-
Hawaiian Holdings Inc		-	63	112	-	-	197	127	94	227	231	214	321
Midwest Air Group Inc		8	10	13	15	20	22	30	-	-	-	-	-
-- sub Other		8	74	125	15	20	219	158	94	227	231	214	321
Total All Sectors		8,019	11,713	22,065	24,187	20,613	8,448	9,601	14,433	27,159	23,168	23,956	28,582
* Frontier Airlines Inc before 2006. Year end March 31 treated as the year before.
** United and Continental are assumed as a single carrier beginning October 1, 2010
Note: Zero value might also mean data not reported.
Data Source:  SEC 10K Filings