System Total Expense per Available Seat Mile (CASM ex-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          9.39          8.96          9.19          9.18          9.18        10.32         11.71        11.06        10.45            9.84           10.64           11.15           11.57           14.09          12.45          12.84           14.44           14.26           13.74           13.76           11.13           11.88           12.90           13.92           14.09           22.20
Continental          8.28          8.94          8.94          8.93          9.05          9.70           9.70          9.54          9.25            9.84           10.26           10.61           10.88           12.50          10.74          11.48           12.29                  -                    -                    -                    -                    -                    -                    -                    -                    -  
Delta          8.61          9.26          8.88          8.87          8.88          9.18           9.71          9.69        10.45          10.41           10.25           10.61           10.71           12.09          11.52          11.84           13.08           13.87           13.66           14.98           12.68           12.27           12.92           13.43           13.30           16.80
Northwest          9.01          9.09          8.93          9.59          9.06          9.83         10.39        10.44        10.41          11.22           12.31           11.84           11.67           14.49          11.86                -                    -                    -                    -                    -                    -                    -                    -                    -                    -                    -  
United          8.59          9.00          9.20          8.97          9.06        10.00         11.27        10.57          9.78            9.70           10.10           10.76           11.17           13.60          10.55          12.03           13.53           13.87           13.87           13.65           12.15           11.96           12.33           13.14           12.98           20.86
US Airways        11.12        12.21        12.38        12.01        12.55        12.39         12.47        11.61        11.33          10.80           10.40           11.18           11.63           14.63          11.06          11.73           13.11           13.25           13.43           12.75           16.28                  -                    -                    -                    -                    -  
America West          7.19          7.73          7.27          7.29          7.52          8.50           9.21          8.06          7.86            7.72             9.16           12.87           12.89                  -                   -                  -                    -                    -                    -                    -                    -                    -                    -                    -                    -                    -  
 --sub Network          8.99          9.28          9.27          9.26          9.27        10.01         10.81        10.38        10.13          10.08           10.55           11.06           11.29           13.49          11.43          12.05           13.36           13.89           13.72           13.99           12.26           12.03           12.72           13.50           13.45           19.91
Southwest          6.93          7.44          7.33          7.28          7.44          7.69           7.48          7.37          7.56            7.74             7.91             8.77             9.08           10.20          10.26          11.27           12.51           14.81           14.53           13.29           11.10           11.14           11.40           11.66           12.30           14.58
AirTran              -                -            8.28          8.28          7.70          9.18           9.25          8.34          8.23            8.40             9.33             9.74             9.54           11.02            9.29          10.35           11.96             3.14                  -                    -                    -                    -                    -                    -                    -                    -  
jetBlue              -                -                -                -                -            8.70           6.69          6.44          6.05            6.06             6.85             7.81             8.25           10.06            9.15            9.77           11.12           11.42           11.64           11.74           10.56             9.91           10.74           11.60           11.42           15.21
Alaska          7.71          8.16          8.52          8.16          8.67        10.17         10.13          9.84          9.69          10.12           10.78           11.92           12.08           12.39          10.86          10.93           11.79           11.90           11.60           11.07             9.68             9.03             9.59           11.35           10.63           15.82
Virgin America              -                -                -                -                -                -                 -                -                -                   -                    -                    -             15.62           12.59            8.85            9.44           10.76           10.83           10.86           11.33           10.61             9.96           10.01                  -                    -                    -  
Hawaiian          7.44          7.48          7.36          7.29          8.31          8.31           7.87        10.40          8.81            9.56           10.17           10.75           10.49           11.67          10.97          11.88           13.42           12.37           11.91           11.94           10.48           10.57           11.37           12.18           11.89           20.57
 -- sub Hybrid          7.15          7.44          7.63          7.54          7.79          8.32           8.06          7.98          7.88            8.05             8.41             9.24             9.48           10.67          10.01          10.82           12.09           12.32           12.12           12.02           10.73           10.50           10.93           11.47           11.75           15.17
Spirit          7.06          7.71          7.28          7.93          7.63          8.02           8.00          7.36          7.63            8.53             9.55           10.93             8.61             9.31            7.87            8.82             9.91           10.13             9.92             9.61             7.65             7.33             7.64             8.19             7.96             9.39
Allegiant              -                -                -                -                -                -                 -                -                -              8.14             7.78             7.86             8.31           10.32            8.10            9.08           11.05           10.45           10.33           10.92             8.36             7.99             9.36             9.47             8.90             9.37
Frontier          8.98          9.04          8.71          8.38          7.85          9.14           9.11          9.11          8.33            8.61             9.34             9.84             9.59           11.16            9.05            9.99           12.23           11.79           12.19           10.88             8.57             7.59             7.64             8.33             7.83           10.53
 -- sub ULCC          8.05          8.51          8.18          8.19          7.75          8.48           8.52          8.08          7.64            8.55             9.26             9.87             9.06           10.40            8.46            9.39           11.17           10.85           10.77           10.34             8.11             7.56             7.99             8.49             8.09             9.72
Total All Sectors          8.85          9.12          9.13          9.09          9.12          9.82         10.45        10.03          9.74            9.72           10.15           10.68           10.86           12.79          11.03          11.69           12.99           13.40           13.21           13.35           11.66           11.38           11.94           12.61           12.60           17.45
Data Source:  US DOT Form 41 via BTS, Schedule P6, P52 & T2.