System Passenger Yield per Equivalent Seat Mile
STAGE LENGTH ADJUSTED
Cents per Equivalent Passenger Mile
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
American            14.97            15.07            15.33            15.45            14.69            15.67            14.71            12.73            12.78            12.64            13.00            13.80            13.98            14.67            13.00            14.10            14.98         15.53         15.95         16.51         14.79         14.34
Continental            12.00            13.09            13.35            13.35            13.11            14.36            13.52            12.89            12.78            12.68            13.26            13.96            14.62            15.75            13.37            14.97            16.86                -                  -                  -                  -                  -  
Delta            12.73            12.11            12.13            12.14            12.04            12.65            11.70            10.82            11.15            10.72            10.83            12.24            13.14            13.97            11.91            13.09            14.32         14.63         14.93         15.33         14.73         13.98
Northwest            12.44            12.46            12.06            11.18            11.40            11.88            11.05            10.49            10.57            10.84            11.08            11.82            12.19            12.93            10.94                   -                     -                  -                  -                  -                  -                  -  
United            13.01            13.53            13.74            13.51            13.51            14.48            12.84            11.84            11.37            11.58            12.39            13.26            14.17            15.01            12.71            15.17            16.71         16.94         17.28         17.81         16.98         15.99
US Airways            13.48            14.13            13.92            13.75            13.40            13.31            11.95            10.97            11.35            10.82            10.76            18.62            16.35            12.19            10.53            11.70            12.67         13.04         13.25         13.89                -                  -  
America West              9.80              9.74            10.16            10.77            11.00            11.03              9.80              9.57              9.91              9.46            10.19                   -                     -                     -                     -                     -                     -                  -                  -                  -                  -                  -  
 --sub Network         13.15         13.30         13.36         13.23         13.02         13.74         12.66         11.64         11.67         11.56         11.92         12.93         13.45         14.21         12.20         13.76         15.03      15.36      15.71      16.22      15.47      14.76
Southwest              8.03              8.27              8.85              8.96              8.71              9.27              8.71              8.59              8.71              8.52              8.90              9.55              9.61            10.50              9.66            10.67            11.31         11.47         12.28         12.67         12.37         11.98
jetBlue                   -                     -                     -                     -                     -                9.62              9.62              9.84              9.43              8.82              9.12              9.97            10.42            11.74            11.02            11.76            12.83         12.96         13.22         13.44         13.54         12.71
AirTran                   -                     -                9.91            10.11            10.17            11.00            10.65              9.56              9.54              9.19              9.68            10.16            10.14            10.31              9.09              9.72            10.59                -                  -                  -                  -                  -  
Frontier            11.27            11.26            11.21            13.12            13.68            15.76            15.03            13.59            11.12            10.20            10.42            10.40            10.35            10.95              9.57            10.78            12.76           9.97         10.06           9.85           8.21           6.45
Virgin America                   -                     -                     -                     -                     -                     -                     -                     -                     -                     -                     -                     -                2.42            10.66              9.92            12.22            13.78         14.17         14.53         14.37         14.02         13.24
 -- sub LCC           8.07           8.34           9.05           9.30           9.10           9.72           9.20           8.94           8.99           8.73           9.13           9.79           9.92         10.87           9.87         10.86         11.77      11.92      12.61      12.88      12.51      11.88
Alaska            10.41            10.31            10.97            11.06            11.39            12.09            11.67            11.41            11.43            11.16            11.52            12.27            12.38            12.77            12.06            12.39            13.03         13.34         13.27         13.52         13.08         12.49
Hawaiian              5.10              5.36              5.26              5.44              8.90              5.64              5.64              7.46              8.37              8.70              8.73              8.79              8.68            10.44              9.03              9.73            11.30         11.45         11.89         12.13         11.64         11.67
Spirit              8.53              8.47              6.99              8.88              9.13              9.30              9.72              9.62              9.80              9.44              9.74            10.22              9.36              9.13              8.42              7.75              8.12           7.57           7.80           7.81           6.44           5.57
Allegiant                   -                     -                     -                     -                     -                     -                     -                     -                     -                5.08              7.04              7.68              7.72              7.68              6.97              7.52              8.35           8.53           8.94           9.05           8.10           7.31
 -- sub Other           9.02           9.03           9.28           9.56         10.54           9.93           9.74         10.35         10.38         10.33         10.59         11.02         10.73         11.30         10.39         10.61         11.37      11.35      11.37      11.45      10.48        9.79
Base Length of Haul                839                869                886                909                931                935                955                967            1,005            1,039            1,060            1,085            1,092            1,114            1,125            1,153            1,167         1,184         1,195         1,199         1,186         1,174
Note:   Stage Length Adjustment formula:  ((observed length of haul/base length of haul [15 carrier average])^.5) times respective carrier yield.
Data Source:  US DOT Form 41 via BTS, Schedules P12 & T2.