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.