| System Total Expense per Available Seat Mile (CASM ex fuel and Transport Related) | ||||||||||||||||
| Cents per Available Seat Mile | ||||||||||||||||
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | ||
| American | 8.48 | 7.83 | 8.07 | 8.27 | 8.28 | 8.95 | 10.25 | 9.76 | 8.99 | 7.85 | 7.82 | 7.83 | 8.11 | 9.22 | 9.25 | |
| Continental | 7.24 | 7.77 | 7.71 | 8.00 | 8.17 | 8.16 | 8.38 | 8.41 | 7.86 | 8.03 | 7.60 | 7.57 | 7.69 | 7.77 | 7.97 | |
| Delta | 7.56 | 8.03 | 7.68 | 7.89 | 7.93 | 7.98 | 8.51 | 8.58 | 9.12 | 8.56 | 7.53 | 7.40 | 7.23 | 7.18 | 7.79 | |
| Northwest | 7.83 | 7.70 | 7.60 | 8.49 | 7.96 | 8.14 | 8.76 | 9.03 | 8.82 | 8.94 | 9.10 | 8.08 | 7.99 | 8.40 | 8.69 | |
| United | 7.59 | 7.82 | 8.08 | 8.04 | 8.16 | 8.68 | 9.86 | 9.37 | 8.36 | 7.78 | 7.35 | 7.52 | 7.77 | 9.01 | 7.89 | |
| US Airways | 10.09 | 10.98 | 11.19 | 11.12 | 11.53 | 10.70 | 11.02 | 10.43 | 9.93 | 9.02 | 7.59 | 7.71 | 7.86 | 9.88 | 8.53 | |
| America West | 6.29 | 6.65 | 6.25 | 6.54 | 6.63 | 7.07 | 7.95 | 6.96 | 6.53 | 5.89 | 6.63 | - | - | - | - | |
| --sub Network | 7.98 | 8.07 | 8.10 | 8.31 | 8.33 | 8.59 | 9.41 | 9.16 | 8.70 | 8.13 | 7.74 | 7.67 | 7.78 | 8.56 | 8.37 | |
| Southwest | 5.94 | 6.26 | 6.23 | 6.47 | 6.51 | 6.32 | 6.19 | 6.15 | 6.29 | 6.31 | 6.19 | 6.47 | 6.54 | 6.80 | 7.31 | |
| jetBlue | - | - | - | - | - | 7.43 | 5.72 | 5.51 | 4.95 | 4.72 | 4.82 | 5.18 | 5.36 | 5.90 | 6.49 | |
| AirTran | - | - | 8.28 | 7.08 | 6.53 | 6.80 | 7.14 | 6.51 | 6.46 | 6.61 | 6.67 | 6.50 | 6.27 | 6.28 | 6.59 | |
| Frontier | 8.98 | 9.04 | 8.71 | 7.34 | 7.00 | 7.70 | 7.94 | 7.89 | 7.07 | 6.76 | 6.62 | 6.77 | 6.34 | 6.48 | 6.50 | |
| Virgin America | - | - | - | - | - | - | - | - | - | - | - | - | 7.05 | 12.51 | 6.44 | |
| -- sub LCC | 5.98 | 6.13 | 6.38 | 6.55 | 6.54 | 6.46 | 6.34 | 6.23 | 6.18 | 6.12 | 6.03 | 6.25 | 6.27 | 6.69 | 6.97 | |
| Alaska | 6.70 | 6.97 | 7.38 | 7.34 | 7.64 | 8.54 | 8.80 | 8.67 | 8.39 | 8.17 | 8.16 | 8.83 | 8.86 | 8.04 | 8.52 | |
| Hawaiian | 6.31 | 6.14 | 6.07 | 6.24 | 7.23 | 6.76 | 6.56 | 9.10 | 7.60 | 7.81 | 7.72 | 7.89 | 7.46 | 7.37 | 8.57 | |
| Allegiant | - | - | - | - | - | - | - | - | - | 8.14 | 7.78 | 4.18 | 4.24 | 4.95 | 4.99 | |
| -- sub Other | 6.60 | 6.76 | 7.04 | 7.06 | 7.53 | 7.97 | 8.10 | 8.72 | 8.01 | 8.09 | 8.03 | 8.23 | 8.05 | 7.52 | 8.04 | |
| Total All Sectors | 7.84 | 7.92 | 7.96 | 8.15 | 8.17 | 8.40 | 9.07 | 8.82 | 8.35 | 7.86 | 7.49 | 7.45 | 7.51 | 8.15 | 8.08 | |
| Data Source: US DOT Form 41 via BTS, Schedule P6, P52 & T2. | ||||||||||||||||