| Total In-House Maintenance Employee Equivalents | ||||||||||||||||||||
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | ||
| 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 | 12,580 | 12,621 | 12,981 | 12,750 | 11,143 | |
| 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 | 3,877 | 3,877 | 3,731 | - | - | |
| 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 | 5,313 | 7,315 | 8,345 | 8,366 | 8,043 | |
| 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 | 1,225 | - | - | - | - | |
| 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 | 4,108 | 4,162 | 4,076 | 8,190 | 6,668 | |
| 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 | 3,644 | 3,528 | 3,559 | 3,527 | 3,419 | |
| 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 | 30,747 | 31,503 | 32,692 | 32,833 | 29,273 | |
| Southwest | 654 | 825 | 890 | - | 1,063 | 1,146 | 1,292 | 1,430 | 1,524 | 1,586 | 1,657 | 1,643 | 1,682 | 1,701 | 1,746 | 1,645 | 1,630 | 1,796 | 2,073 | |
| jetBlue | - | - | - | - | - | 50 | 87 | 153 | 328 | 319 | 397 | 456 | 468 | 471 | 527 | 558 | 595 | 614 | 635 | |
| AirTran | - | - | 64 | 301 | 334 | 337 | 372 | 367 | 350 | 359 | 364 | 407 | 409 | 405 | 358 | 375 | 358 | - | - | |
| Frontier | 14 | 26 | 49 | 54 | 176 | 231 | 241 | 260 | 236 | 221 | 334 | 363 | 418 | 225 | 237 | 245 | 233 | 247 | 240 | |
| Virgin America | 33 | - | - | - | - | - | - | - | - | - | - | - | - | 19 | 97 | 132 | 172 | 201 | 196 | |
| --sub LCC | 701 | 851 | 1,003 | 355 | 1,573 | 1,764 | 1,992 | 2,210 | 2,438 | 2,485 | 2,752 | 2,869 | 2,977 | 2,821 | 2,965 | 2,955 | 2,988 | 2,858 | 3,144 | |
| Alaska | 429 | 26 | 462 | 25 | 27 | 562 | 644 | 621 | 601 | 946 | 199 | 152 | 699 | 727 | 701 | 654 | 652 | 650 | 660 | |
| Hawaiian | 199 | 202 | 208 | 200 | 13 | 316 | 193 | 193 | 193 | 280 | 192 | 282 | 286 | - | 299 | 298 | 295 | 351 | 390 | |
| Allegiant | - | - | - | - | - | - | - | - | 16 | 41 | 46 | 70 | 88 | 122 | 157 | 237 | 222 | 250 | 288 | |
| -- sub Other | 628 | 228 | 670 | 225 | 40 | 878 | 837 | 814 | 810 | 1,267 | 437 | 504 | 1,073 | 849 | 1,157 | 1,189 | 1,169 | 1,251 | 1,338 | |
| Total All Sectors | 37,327 | 34,231 | 49,821 | 51,989 | 55,567 | 54,656 | 49,109 | 48,783 | 46,564 | 43,635 | 36,672 | 34,945 | 35,308 | 37,487 | 34,869 | 35,647 | 36,849 | 36,942 | 33,755 | |
| Note: Shaded data means data appear questionable. | ||||||||||||||||||||
| Data Source: US DOT Form 41 via BTS, Schedule P10. | ||||||||||||||||||||