Average Daily Airborne Hours of Total Operating Fleet
All Aircraft
		1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007
American		8.50	8.47	8.69	8.78	8.56	8.53	8.25	8.14	8.22	8.85	8.63	8.66	8.68
Continental		7.91	8.34	8.50	8.58	8.71	8.88	8.74	8.10	8.04	8.45	9.06	9.51	9.96
Delta		8.32	8.55	8.69	8.73	8.65	8.49	7.92	7.59	7.62	10.39	10.41	10.82	9.35
Northwest		8.02	7.97	7.98	7.28	7.87	8.01	7.60	7.26	7.30	7.41	7.56	7.86	7.79
United		8.73	8.81	8.98	9.17	9.21	9.04	8.62	8.33	8.25	8.70	9.43	10.86	11.20
US Airways		8.20	7.48	7.72	7.77	7.74	8.18	10.01	7.90	9.05	9.45	9.69	10.01	10.18
America West		9.73	10.07	10.50	10.28	9.92	9.28	8.25	11.01	8.67	10.96	11.01	-	-
--sub Network		8.39	8.39	8.57	8.54	8.57	8.58	8.39	8.02	8.07	8.95	9.16	9.55	9.47
Southwest		7.87	9.38	9.51	9.45	9.32	9.33	9.28	9.37	9.32	9.34	9.58	9.68	9.59
jetBlue		-	-	-	-	-	9.70	10.04	11.16	11.81	12.02	11.73	10.83	10.76
AirTran		5.95	4.97	6.95	8.20	10.41	10.00	7.82	8.24	8.50	8.67	9.20	8.98	9.02
Frontier		8.49	9.71	6.97	8.12	9.73	11.39	10.37	17.58	8.84	9.94	10.39	10.49	10.51
ATA		6.39	6.00	6.18	7.02	7.74	8.09	8.32	8.30	6.91	9.68	9.35	11.30	9.28
-- sub LCC		7.64	8.58	8.80	8.91	9.27	9.35	9.10	9.46	9.12	9.58	9.82	9.84	9.74
Alaska		9.32	9.75	9.89	9.89	9.68	9.27	5.58	9.16	9.18	9.59	9.28	9.47	9.39
Hawaiian		6.19	6.15	6.54	6.02	6.14	6.18	5.98	7.25	6.57	7.18	7.94	7.98	8.06
Midwest		7.48	8.03	7.95	8.15	7.58	7.15	6.80	6.60	6.51	7.42	8.13	8.52	8.84
-- sub Other		8.44	8.78	8.93	8.88	8.60	8.23	5.82	8.34	8.26	8.84	8.86	9.06	9.07
Total All Sectors		8.32	8.42	8.60	8.60	8.65	8.65	8.33	8.23	8.24	9.05	9.27	9.59	9.51
Source:  US DOT Form 41 via BTS, schedule T2.
Note: Shaded data means data appear questionable.