| Average Daily Airborne Hours of Total Operating Fleet | |||||||||||||||
| All Aircraft | |||||||||||||||
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | ||
| 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 | 8.58 | |
| 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 | 9.85 | |
| 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 | 9.29 | |
| 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 | 8.09 | |
| 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 | 10.92 | |
| 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 | 10.17 | |
| 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 | 9.44 | |
| 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 | 9.48 | |
| jetBlue | - | - | - | - | - | 9.70 | 10.04 | 11.16 | 11.81 | 12.02 | 11.73 | 10.83 | 10.76 | 10.57 | |
| 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 | 9.25 | |
| 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 | 10.35 | |
| Allegiant | - | - | - | - | - | 4.42 | 1.69 | 6.74 | 6.03 | 5.74 | 5.33 | 5.45 | 5.12 | 5.39 | |
| -- sub LCC | 7.88 | 9.14 | 9.30 | 9.23 | 9.49 | 9.50 | 9.15 | 9.59 | 9.37 | 9.51 | 9.77 | 9.73 | 9.60 | 9.52 | |
| 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 | 9.35 | |
| 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 | 7.88 | |
| 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 | 7.40 | |
| -- 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 | 8.70 | |
| Total All Sectors | 8.35 | 8.46 | 8.64 | 8.62 | 8.67 | 8.66 | 8.33 | 8.22 | 8.26 | 9.04 | 9.25 | 9.56 | 9.48 | 9.42 | |
| Source: US DOT Form 41 via BTS, schedule T2. | |||||||||||||||
| Note: Shaded data means data appear questionable. | |||||||||||||||