Net Cash Provided by (Used in) Operating Activity
Millions
		2000	2001	2002	2003	2004	2005	2006	2007	2008
AMR Corp		3,142	542	(1,111)	601	717	1,024	1,939	1,935	(1,394)
Continental Airlines Inc		906	567	(46)	342	373	457	1,058	1,133	(324)
Delta Air Lines Inc		2,898	236	225	244	(1,023)	(307)	993	1,359	(1,707)
Northwest Airlines Corp		893	646	(284)	375	276	(437)	1,224	1,371	(418)
UAL Corp		2,472	(160)	(1,139)	1,001	99	1,079	1,562	2,134	(1,239)
US Airways Group Inc I		697	(112)	(364)	(167)	(89)	-	-	-	-
US Airways Group Inc II		-	-	-	-	-	-	618	442	(980)
America West Holdings Corp		190	152	(23)	242	21	-	-	-	-
--sub Network		11,198	1,871	(2,742)	2,638	374	1,816	7,394	8,374	(6,062)
Southwest Airlines Co		1,298	1,485	520	1,336	1,066	2,118	1,406	2,845	(1,521)
JetBlue Airways Corp		3	111	217	287	199	170	274	358	(17)
AirTran Holdings Inc		69	95	6	133	38	65	75	182	(180)
Frontier Airlines Holdings Inc*		73	40	1	128	19	80	23	31	(104)
--sub LCC		1,443	1,732	744	1,884	1,322	2,432	1,778	3,416	(1,822)
Alaska Air Group Inc		273	287	125	355	333	270	450	482	247
Hawaiian Holdings Inc		63	57	10	(38)	(8)	58	63	82	134
Midwest Air Group Inc		43	25	27	27	(14)	17	21	-	-
-- sub Other		379	369	162	345	312	345	533	564	381
Total All Sectors		13,020	3,972	(1,835)	4,867	2,008	4,593	9,706	12,353	(7,503)
* Frontier Airlines Inc before 2006. Year end March 31 treated as the year before.
Note: Zero value might also mean data not reported.
Data Source:  SEC 10K Filings