System Total Expense per Equivalent Seat Mile (CESM)
STAGE LENGTH ADJUSTED
Cents per Equivalent Seat Mile
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
American            10.89            10.44            10.75            10.73            10.67            11.69            13.19            11.98            12.32            12.00            12.94            13.43            13.93            16.70            14.70            15.16            17.18
Continental              8.51              9.33              9.60            10.02            10.36            11.33            11.37            11.38            10.78            14.03            14.92            15.41            15.63            17.98            15.61            16.66            17.76
Delta              8.42              9.05              8.58              8.59              8.69              9.09              9.65              9.82            12.38            12.56            12.80            14.32            15.19            17.39            16.28            15.11            16.68
Northwest              9.16              9.15              9.01              9.61              9.01              9.83            10.39            10.36            10.14            12.06            13.67            13.03            12.89            17.10            13.90                   -                     -  
United              9.90            10.34            10.55            10.23            10.31            11.72            13.38            12.81            12.24            12.94            14.20            14.78            15.07            18.14            14.88            17.44            20.00
US Airways              9.42            10.44            11.05            10.78            11.34            11.45            11.81            11.69            12.13            11.93            11.89            21.01            19.00            17.76            14.01            14.70            16.36
America West              6.55              7.15              6.86              6.99              7.30              8.30              8.96              8.02              7.90              8.29            11.35                   -                     -                     -                     -                     -                     -  
 --sub Network           9.44           9.76           9.82           9.84           9.89         10.75         11.71         11.30         11.69         12.41         13.33         14.05         14.46         17.45         14.95         15.68         17.48
Southwest              4.81              5.15              5.11              5.09              5.28              5.60              5.52              5.52              5.66              5.78              6.00              6.65              6.90              7.72              7.74              8.45              9.43
jetBlue                   -                     -                     -                     -                     -                8.20              6.80              7.02              6.82              6.90              7.82              8.21              8.47            10.44              9.25              9.64            10.84
AirTran                   -                     -                7.59              6.45              5.78              6.93              6.95              6.34              6.34              6.53              7.34              7.55              7.63              8.91              7.52              8.39              9.73
Frontier              6.56              7.58              7.69              7.76              7.34              8.65              8.66              8.56              7.76              9.19              9.85              9.95              9.83            10.86              8.79            11.10            13.46
Virgin America                   -                     -                     -                     -                     -                     -                     -                     -                     -                     -                     -                     -                     -              13.39              9.91            10.97            12.51
 -- sub LCC           4.84           5.20           5.30           5.35           5.45           5.90           5.85           5.84           5.99           6.26           6.69           7.27           7.52           8.77           8.16           8.95         10.08
Alaska              7.32              7.54              7.78              7.50              7.94              9.40              9.32              9.15              9.04              9.45            10.00            11.05            11.20            12.55            11.58            11.79            14.12
Hawaiian              4.60              4.73              4.88              4.75              9.08              5.75              5.77              7.55              6.92              7.58              8.03              8.28              8.28              8.70              7.81              8.75            10.46
Allegiant                   -                     -                     -                     -                     -                     -                     -                     -                     -                8.01              7.75              7.56              7.72              9.17              7.14              8.08              9.70
 -- sub Other           6.77           6.91           7.11           6.89           8.22           8.34           8.37           8.89           8.40           9.07           9.55         10.23         10.24         11.33         10.17         10.64         12.62
Base Length of Haul                839                869                887                910                931                935                955                966            1,005            1,039            1,061            1,087            1,093            1,115            1,126            1,154            1,170
Note:   Stage Length Adjustment formula:  ((observed length of haul/base length of haul [15 carrier average])^.5) times respective carrier unit cost.
Data Source:  US DOT Form 41 via BTS, Schedules P6 & T2.