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 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
American          8.43          7.83          8.07          8.27          8.28          8.95         10.25          9.76          8.99            7.85             7.82             7.94             8.15             9.22            9.25            9.21             9.80             9.34             8.94             9.32             8.66             9.87           10.48           10.75           11.14           20.09
Continental          7.24          7.77          7.71          8.00          8.17          8.16           8.38          8.41          7.87            8.03             7.60             7.56             7.69             7.77            7.97            8.35             8.18                  -                    -                    -                    -                    -                    -                    -                    -                    -  
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            7.71            8.06             8.31             8.83             9.07             9.49             9.73           10.01           10.43           10.21           10.40           14.55
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             8.07            7.89            8.41             8.99             9.03             9.29             9.33             9.37             9.87             9.93           10.08           10.15           18.54
US Airways        10.09        10.98        11.19        11.12        11.53        10.70         11.02        10.43          9.93            9.02             7.59             7.92             8.16             9.88            8.53            8.48             8.54             8.67             9.08             8.62           13.69                  -                    -                    -                    -                    -  
America West          6.29          6.65          6.25          6.54          6.63          7.07           7.95          6.96          6.53            5.89             6.63             9.92             9.81                  -                   -                  -                    -                    -                    -                    -                    -                    -                    -                    -                    -                    -  
 --sub Network          7.97          8.07          8.10          8.31          8.33          8.59           9.41          9.16          8.70            8.13             7.74             7.81             7.87             8.37            8.36            8.49             8.79             9.00             9.11             9.29             9.53             9.92           10.28           10.35           10.56           17.68
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            7.76             8.02             9.53             9.61             9.15             8.67             8.81             8.97             8.90             9.67           12.85
AirTran              -                -            8.28          7.08          6.53          6.80           7.14          6.51          6.46            6.61             6.67             6.50             6.24             6.28            6.59            6.95             7.30             1.90                  -                    -                    -                    -                    -                    -                    -                    -  
jetBlue              -                -                -                -                -            7.43           5.72          5.51          4.95            4.71             4.80             5.18             5.36             5.90            6.35            6.67             6.78             7.05             7.33             7.61             7.92             7.99             8.40             8.56             8.63           13.35
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            7.96             7.74             7.76             7.66             7.46             7.55             7.35             7.55             8.49             8.13           14.13
Virgin America              -                -                -                -                -                -                 -                -                -                   -                    -                    -             15.62           12.59            6.44            6.45             6.79             6.83             7.02             7.60             8.38             8.21             7.78                  -                    -                    -  
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            8.83             9.30             8.20             7.87             8.10             8.23             8.78             9.15             9.33             9.37           18.51
 -- sub Hybrid          6.15          6.27          6.52          6.68          6.81          6.82           6.72          6.74          6.59            6.50             6.38             6.64             6.69             6.90            7.24            7.50             7.70             7.88             7.94             8.15             8.32             8.41             8.60             8.67             9.12           13.42
Allegiant              -                -                -                -                -                -                 -                -                -              8.14             7.78             4.18             4.24             4.95            4.99            5.06             5.69             5.28             5.51             6.51             5.68             5.87             6.78             6.41             6.20             7.66
Frontier          8.98          9.04          8.71          7.34          7.00          7.70           7.94          7.88          7.04            6.76             6.62             6.77             6.34             6.48            6.55            6.99             7.83             7.32             7.94             6.81             6.34             5.86             5.70             6.04             5.65             8.61
Spirit          7.06          7.71          7.28          7.93          6.34          6.22           6.47          5.88          5.88            6.23             6.92             7.86             5.78             5.80            5.55            5.90             5.96             6.16             6.12             6.15             5.66             5.74             5.70             5.75             5.71             7.92
 -- sub ULCC          8.05          8.51          8.18          7.59          6.69          6.88           7.18          6.74          6.20            6.66             6.84             6.71             5.84             5.99            5.88            6.18             6.71             6.40             6.58             6.45             5.89             5.81             5.92             5.97             5.78             8.06
Total All Sectors          7.83          7.92          7.96          8.15          8.17          8.39           9.06          8.80          8.34            7.84             7.49             7.56             7.57             7.99            8.04            8.20             8.47             8.63             8.72             8.89             9.04             9.29             9.56             9.60             9.82           15.43
Data Source:  US DOT Form 41 via BTS, Schedule P6, P52 & T2.