| Total In-House Maintenance Employee Equivalents | |||||||||||||||
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | ||
| American | 10,483 | 11,685 | 12,481 | 13,767 | 14,662 | 15,139 | 15,497 | 18,187 | 16,747 | 16,717 | 14,694 | 14,296 | 13,980 | 14,479 | |
| Continental | 2,774 | 2,570 | 2,724 | 3,027 | 3,289 | 3,443 | 3,534 | 3,376 | 3,417 | 3,576 | 3,504 | 3,676 | 3,808 | 3,889 | |
| Delta | 7,128 | 6,099 | 6,604 | 7,281 | 8,252 | 5,728 | 5,736 | 7,869 | 7,514 | 7,357 | 5,917 | 4,872 | 5,240 | 5,272 | |
| Northwest | 4,651 | 4,836 | 5,449 | 6,179 | 6,038 | 5,852 | 5,444 | 4,733 | 2,966 | 2,531 | 1,460 | 267 | 265 | 266 | |
| United | 4,623 | 2,135 | 15,036 | 15,541 | 16,156 | 15,846 | 14,828 | 6,386 | 8,137 | 5,459 | 4,785 | 4,848 | 4,891 | 6,490 | |
| US Airways | 5,571 | 5,401 | 5,438 | 5,174 | 4,869 | 5,353 | 406 | 4,303 | 3,636 | 3,317 | 2,223 | 3,613 | 3,074 | 3,421 | |
| America West | 768 | 426 | 416 | 440 | 688 | 653 | 835 | 905 | 899 | 926 | 900 | - | - | - | |
| --sub Network | 35,998 | 33,152 | 48,148 | 51,409 | 53,954 | 52,014 | 46,280 | 45,759 | 43,316 | 39,883 | 33,483 | 31,572 | 31,258 | 33,817 | |
| Southwest | 654 | 825 | 890 | - | 1,063 | 1,146 | 1,292 | 1,430 | 1,524 | 1,586 | 1,657 | 1,643 | 1,682 | 1,701 | |
| jetBlue | - | - | - | - | - | 50 | 87 | 153 | 328 | 319 | 397 | 456 | 468 | 471 | |
| AirTran | - | - | 64 | 301 | 334 | 337 | 372 | 367 | 350 | 359 | 364 | 407 | 409 | 405 | |
| Frontier | 14 | 26 | 49 | 54 | 176 | 231 | 241 | 260 | 236 | 221 | 334 | 363 | 418 | 225 | |
| Allegiant | - | - | - | - | - | - | - | - | 16 | 41 | 46 | 70 | 88 | 122 | |
| --sub LCC | 668 | 851 | 1,003 | 355 | 1,573 | 1,764 | 1,992 | 2,210 | 2,454 | 2,526 | 2,798 | 2,939 | 3,065 | 2,924 | |
| Alaska | 429 | 26 | 462 | 25 | 27 | 562 | 644 | 621 | 601 | 946 | 199 | 152 | 699 | 727 | |
| Hawaiian | 199 | 202 | 208 | 200 | 13 | 316 | 193 | 193 | 193 | 280 | 192 | 282 | 286 | - | |
| Midwest | 153 | 159 | 193 | - | 351 | 532 | 496 | 460 | 281 | 328 | 191 | 198 | 217 | 213 | |
| -- sub Other | 781 | 387 | 863 | 225 | 391 | 1,410 | 1,333 | 1,274 | 1,075 | 1,554 | 582 | 632 | 1,202 | 940 | |
| Total All Sectors | 37,447 | 34,390 | 50,014 | 51,989 | 55,918 | 55,188 | 49,605 | 49,243 | 46,845 | 43,963 | 36,863 | 35,143 | 35,525 | 37,681 | |
| Note: Shaded data means data appear questionable. | |||||||||||||||
| Data Source: US DOT Form 41 via BTS, Schedule P10. | |||||||||||||||