| System Passenger Revenue per Equivalent Seat Mile (PRESM) | ||||||||||||||||||
| 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 | 9.91 | 10.31 | 10.66 | 10.83 | 10.23 | 11.34 | 10.21 | 9.00 | 9.31 | 9.45 | 10.21 | 11.05 | 11.39 | 11.81 | 10.48 | 11.54 | 12.26 | |
| Continental | 7.91 | 8.95 | 9.54 | 9.64 | 9.57 | 10.69 | 9.79 | 9.57 | 9.67 | 9.86 | 10.58 | 11.37 | 12.00 | 12.78 | 11.02 | 12.56 | 13.77 | |
| Delta | 8.32 | 8.50 | 8.71 | 8.82 | 8.71 | 9.27 | 8.08 | 7.84 | 8.28 | 8.11 | 8.39 | 9.65 | 10.63 | 11.44 | 9.78 | 10.95 | 11.83 | |
| Northwest | 8.89 | 9.11 | 8.95 | 8.17 | 8.50 | 9.09 | 8.22 | 8.09 | 8.16 | 8.69 | 9.15 | 10.02 | 10.32 | 10.97 | 9.15 | - | - | |
| United | 9.17 | 9.70 | 9.87 | 9.67 | 9.59 | 10.47 | 9.08 | 8.71 | 8.69 | 9.17 | 10.08 | 10.87 | 11.72 | 12.15 | 10.40 | 12.74 | 13.98 | |
| US Airways | 8.75 | 9.68 | 9.93 | 10.00 | 9.40 | 9.37 | 8.23 | 7.80 | 8.32 | 8.12 | 8.08 | 14.55 | 13.07 | 9.95 | 8.61 | 9.63 | 10.60 | |
| America West | 6.72 | 6.90 | 6.98 | 7.25 | 7.52 | 7.77 | 7.04 | 7.05 | 7.57 | 7.32 | 8.10 | - | - | - | - | - | - | |
| --sub Network | 8.90 | 9.35 | 9.55 | 9.48 | 9.31 | 10.04 | 8.95 | 8.49 | 8.75 | 8.90 | 9.46 | 10.45 | 11.03 | 11.59 | 9.99 | 11.44 | 12.41 | |
| Southwest | 5.18 | 5.50 | 5.64 | 5.80 | 6.01 | 6.53 | 5.93 | 5.66 | 5.82 | 5.92 | 6.29 | 6.97 | 6.97 | 7.46 | 7.34 | 8.45 | 9.13 | |
| jetBlue | - | - | - | - | - | 6.99 | 7.41 | 8.16 | 7.94 | 7.30 | 7.73 | 8.12 | 8.33 | 9.65 | 8.97 | 9.57 | 10.56 | |
| AirTran | - | - | 6.53 | 5.82 | 6.28 | 7.72 | 7.39 | 6.44 | 6.77 | 6.49 | 7.10 | 7.38 | 7.70 | 8.13 | 7.22 | 7.90 | 8.57 | |
| Frontier | 5.46 | 6.73 | 6.37 | 7.76 | 8.09 | 10.13 | 8.70 | 8.04 | 7.66 | 7.49 | 8.25 | 8.28 | 8.13 | 8.96 | 7.76 | 9.01 | 11.09 | |
| Virgin America | - | - | - | - | - | - | - | - | - | - | - | - | - | 8.13 | 8.18 | 9.95 | 11.21 | |
| -- sub LCC | 5.18 | 5.52 | 5.75 | 5.94 | 6.16 | 6.82 | 6.26 | 6.01 | 6.26 | 6.29 | 6.76 | 7.34 | 7.44 | 8.15 | 7.71 | 8.72 | 9.51 | |
| Alaska | 6.43 | 6.80 | 7.38 | 7.42 | 7.74 | 8.37 | 7.98 | 7.77 | 7.96 | 8.13 | 8.74 | 9.38 | 9.43 | 9.86 | 9.57 | 10.31 | 11.09 | |
| Hawaiian | 3.92 | 4.03 | 4.02 | 4.11 | 6.86 | 4.40 | 4.50 | 5.95 | 6.72 | 7.48 | 7.61 | 7.59 | 7.58 | 8.62 | 7.57 | 8.30 | 9.52 | |
| Allegiant | - | - | - | - | - | - | - | - | - | 3.87 | 5.67 | 6.21 | 6.44 | 6.87 | 6.25 | 6.75 | 7.58 | |
| -- sub Other | 5.91 | 6.16 | 6.54 | 6.62 | 7.55 | 7.15 | 7.00 | 7.41 | 7.58 | 7.96 | 8.46 | 8.83 | 8.79 | 9.40 | 8.81 | 9.46 | 10.32 | |
| 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 P12 & T2. | ||||||||||||||||||