| Ground Staff per Billion of Departed Seats | |||||||||||||||||
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | ||
| American | 233 | 245 | 247 | 243 | 255 | 254 | 260 | 229 | 215 | 194 | 187 | 189 | 191 | 192 | 200 | 195 | |
| Continental | 157 | 173 | 183 | 192 | 197 | 206 | 218 | 222 | 229 | 217 | 219 | 217 | 216 | 222 | 228 | 225 | |
| Delta | 156 | 137 | 157 | 172 | 183 | 185 | 190 | 134 | 140 | 131 | 128 | 138 | 155 | 155 | 162 | 154 | |
| Northwest | 174 | 175 | 175 | 198 | 187 | 184 | 192 | 184 | 178 | 168 | 159 | 148 | 140 | 151 | 142 | - | |
| United | 172 | 182 | 128 | 140 | 121 | 124 | 126 | 244 | 192 | 259 | 254 | 241 | 242 | 232 | 248 | 222 | |
| US Airways | 145 | 147 | 147 | 149 | 149 | 145 | 121 | 141 | 142 | 151 | 122 | 205 | 219 | 159 | 154 | 147 | |
| American West | 110 | 137 | 139 | 154 | 159 | 158 | 140 | 155 | 170 | 183 | 129 | - | - | - | - | - | |
| --sub Network | 172 | 175 | 170 | 179 | 180 | 180 | 182 | 191 | 182 | 186 | 175 | 178 | 185 | 186 | 190 | 183 | |
| Southwest | 121 | 133 | 137 | - | 132 | 127 | 126 | 135 | 134 | 115 | 102 | 97 | 95 | 94 | 93 | 92 | |
| jetBlue | - | - | - | - | - | - | 251 | 205 | 173 | 169 | 167 | 154 | 140 | 148 | 152 | 155 | |
| AirTran | - | - | 52 | 116 | 134 | 132 | 125 | 117 | 127 | 115 | 99 | 93 | 93 | 91 | 95 | 92 | |
| Frontier | 65 | 67 | 79 | 139 | 153 | 121 | 177 | 158 | 174 | 190 | 162 | 149 | 190 | 203 | 215 | 148 | |
| Virgin America | - | - | - | - | - | - | - | - | - | - | - | - | - | 7 | 86 | 91 | |
| -- sub LCC | 120 | 129 | 134 | 11 | 133 | 125 | 132 | 137 | 137 | 123 | 111 | 106 | 105 | 105 | 107 | 103 | |
| Alaska | 168 | 175 | 188 | 186 | 196 | 207 | 212 | 205 | 188 | 159 | 156 | 157 | 136 | 147 | 151 | 136 | |
| Hawaiian | 46 | 54 | 58 | 59 | 10 | 72 | 75 | 89 | 97 | 110 | 99 | 100 | 95 | 0 | 92 | 101 | |
| Allegiant | - | - | - | - | - | - | - | - | 91 | 151 | 122 | 110 | 99 | 88 | 80 | 64 | |
| -- sub Other | 115 | 124 | 136 | 135 | 158 | 147 | 156 | 162 | 156 | 144 | 137 | 136 | 119 | 90 | 119 | 113 | |
| Total All Sectors | 165 | 167 | 164 | 156 | 172 | 171 | 173 | 180 | 172 | 171 | 159 | 158 | 160 | 157 | 161 | 155 | |
| * Total In-House Passenger, Cargo and Aircraft Handling Employee Equivalents per billion of departed seats | |||||||||||||||||
| Note: Shaded data means data appear questionable. | |||||||||||||||||
| Data Source: US DOT Form 41, Schedules P52 & P10 | |||||||||||||||||