| Average Seat Capacity of Total Small Narrowbody Fleet | |||||||||||||||
| (Seat Size 150 and Less, Single Aisle, Multi Class Configuration) | |||||||||||||||
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | ||
| American | 135 | 135 | 135 | 135 | 133 | 127 | 123 | 123 | 124 | 128 | 134 | 136 | 138 | 139 | |
| Continental | 129 | 126 | 125 | 125 | 128 | 125 | 122 | 121 | 120 | 118 | 119 | 120 | 120 | 120 | |
| Delta | 139 | 139 | 139 | 139 | 139 | 138 | 132 | 131 | 135 | 132 | 133 | 139 | 143 | 143 | |
| Northwest | 126 | 125 | 124 | 125 | 126 | 125 | 124 | 124 | 123 | 125 | 126 | 128 | 129 | 131 | |
| United | 127 | 128 | 128 | 131 | 131 | 128 | 127 | 127 | 127 | 128 | 131 | 132 | 131 | 131 | |
| US Airways | 120 | 121 | 121 | 122 | 122 | 124 | 126 | 130 | 130 | 127 | 123 | 134 | 136 | 136 | |
| America West | 134 | 132 | 134 | 136 | 136 | 137 | 136 | 136 | 136 | 137 | 138 | - | - | - | |
| --sub Network | 130 | 129 | 130 | 130 | 131 | 128 | 127 | 126 | 127 | 127 | 130 | 132 | 133 | 134 | |
| Southwest | 132 | 133 | 133 | 133 | 134 | 135 | 135 | 135 | 135 | 136 | 136 | 136 | 136 | 136 | |
| jetBlue | - | - | - | - | - | 164 | 164 | 162 | 161 | 157 | 157 | 152 | 145 | 141 | |
| AirTran | 126 | 127 | 126 | 111 | 112 | 109 | 110 | 114 | 116 | 118 | 121 | 123 | 125 | 126 | |
| Frontier | 110 | 118 | 123 | 126 | 129 | 132 | 134 | 131 | 132 | 126 | 123 | 123 | 129 | 132 | |
| Allegiant | - | - | - | - | - | 102 | 106 | 112 | 150 | 155 | 148 | 148 | 148 | 148 | |
| -- sub LCC | 132 | 132 | 132 | 130 | 131 | 132 | 133 | 134 | 135 | 135 | 136 | 136 | 136 | 136 | |
| Alaska | 132 | 132 | 133 | 133 | 133 | 131 | 130 | 130 | 130 | 129 | 132 | 132 | 133 | 131 | |
| Hawaiian | 139 | 139 | 139 | 139 | 134 | 133 | 122 | 120 | 123 | 118 | 123 | 123 | 123 | 123 | |
| Midwest | 79 | 77 | 80 | 82 | 86 | 88 | 91 | 93 | 100 | 109 | 106 | 104 | 104 | 105 | |
| -- sub Other | 123 | 123 | 122 | 123 | 122 | 121 | 123 | 120 | 123 | 124 | 125 | 124 | 123 | 122 | |
| Total All Sectors | 384 | 129 | 130 | 130 | 130 | 128 | 127 | 127 | 129 | 129 | 131 | 133 | 134 | 134 | |
| Source: US DOT Form 41 via BTS, schedule T2. | |||||||||||||||