| Total In-House Maintenance Employee Equivalents | |||||||||||||
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | ||
| 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 | |
| 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 | |
| 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 | |
| Northwest | 4,651 | 4,836 | 5,449 | 6,179 | 6,038 | 5,852 | 5,444 | 4,733 | 2,966 | 2,531 | 1,460 | 267 | |
| 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 | |
| US Airways | 5,571 | 5,401 | 5,438 | 5,174 | 4,869 | 5,353 | 406 | 4,303 | 3,636 | 3,317 | 2,223 | 2,782 | |
| America West | 768 | 426 | 416 | 440 | 688 | 653 | 835 | 905 | 899 | 926 | 900 | 831 | |
| --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 | |
| Southwest | 654 | 825 | 890 | - | 1,063 | 1,146 | 1,292 | 1,430 | 1,524 | 1,586 | 1,657 | 1,643 | |
| jetBlue | - | - | - | - | - | 50 | 87 | 153 | 328 | 319 | 397 | 456 | |
| AirTran | - | - | 64 | 301 | 334 | 337 | 372 | 367 | 350 | 359 | 364 | 407 | |
| Frontier | 14 | 26 | 49 | 54 | 176 | 231 | 241 | 260 | 236 | 221 | 334 | 363 | |
| ATA | - | 639 | 594 | 692 | 777 | 813 | 715 | 1,111 | 854 | 787 | 236 | 119 | |
| --sub LCC | 668 | 1,490 | 1,597 | 1,047 | 2,350 | 2,577 | 2,707 | 3,321 | 3,292 | 3,272 | 2,988 | 2,988 | |
| Alaska | 429 | 26 | 462 | 25 | 27 | 562 | 644 | 621 | 601 | 946 | 199 | 152 | |
| Hawaiian | 199 | 202 | 208 | 200 | 13 | 316 | 193 | 193 | 193 | 280 | 192 | 282 | |
| Midwest | 153 | 159 | 193 | - | 351 | 532 | 496 | 460 | 281 | 328 | 191 | 198 | |
| -- sub Other | 781 | 387 | 863 | 225 | 391 | 1,410 | 1,333 | 1,274 | 1,075 | 1,554 | 582 | 632 | |
| Total All Sectors | 37,447 | 35,029 | 50,608 | 52,681 | 56,695 | 56,001 | 50,320 | 50,354 | 47,683 | 44,709 | 37,053 | 35,192 | |
| Note: Shaded data means data appear questionable. | |||||||||||||
| Data Source: US DOT Form 41 via BTS, Schedule P10. | |||||||||||||