| Total Operating Fleet | ||||||||||||||
| All Aircraft | ||||||||||||||
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | ||
| American | 649 | 647 | 643 | 642 | 674 | 708 | 711 | 818 | 755 | 695 | 708 | 685 | 660 | |
| Continental | 300 | 294 | 313 | 338 | 355 | 360 | 357 | 352 | 339 | 343 | 336 | 349 | 353 | |
| Delta | 537 | 533 | 552 | 562 | 581 | 600 | 625 | 597 | 533 | 422 | 427 | 371 | 435 | |
| Northwest | 370 | 392 | 399 | 412 | 414 | 420 | 435 | 444 | 429 | 434 | 420 | 373 | 370 | |
| United | 553 | 561 | 569 | 573 | 587 | 601 | 597 | 556 | 551 | 519 | 462 | 460 | 453 | |
| US Airways | 379 | 391 | 385 | 370 | 382 | 397 | 307 | 305 | 276 | 289 | 287 | 375 | 352 | |
| America West | 90 | 98 | 101 | 104 | 115 | 129 | 143 | 107 | 141 | 139 | 140 | - | - | |
| --sub Network | 2,877 | 2,916 | 2,962 | 3,001 | 3,108 | 3,214 | 3,176 | 3,181 | 3,023 | 2,840 | 2,781 | 2,614 | 2,623 | |
| Southwest | 251 | 229 | 249 | 261 | 291 | 325 | 354 | 365 | 380 | 404 | 432 | 462 | 500 | |
| jetBlue | - | - | - | - | - | 5 | 16 | 27 | 43 | 60 | 77 | 106 | 128 | |
| AirTran | 1 | 15 | 11 | 40 | 50 | 48 | 53 | 61 | 69 | 78 | 92 | 114 | 132 | |
| Frontier | 5 | 8 | 12 | 15 | 17 | 18 | 21 | 15 | 36 | 42 | 47 | 51 | 57 | |
| ATA | 48 | 54 | 52 | 54 | 51 | 52 | 49 | 58 | 64 | 63 | 41 | 22 | 13 | |
| -- sub LCC | 305 | 306 | 323 | 370 | 410 | 448 | 493 | 527 | 592 | 646 | 689 | 755 | 829 | |
| Alaska | 73 | 74 | 76 | 82 | 86 | 91 | 158 | 102 | 107 | 108 | 110 | 111 | 113 | |
| Hawaiian | 20 | 22 | 21 | 23 | 25 | 29 | 32 | 22 | 28 | 25 | 25 | 25 | 28 | |
| Midwest | 20 | 20 | 23 | 24 | 30 | 33 | 34 | 34 | 30 | 28 | 32 | 36 | 37 | |
| -- sub Other | 113 | 116 | 120 | 129 | 142 | 153 | 224 | 158 | 165 | 161 | 166 | 172 | 178 | |
| Total All Sectors | 3,296 | 3,338 | 3,405 | 3,501 | 3,660 | 3,815 | 3,893 | 3,866 | 3,780 | 3,647 | 3,636 | 3,541 | 3,631 | |
| Source: US DOT Form 41 via BTS, schedule T2. | ||||||||||||||
| Note: Shaded data means data appear questionable. | ||||||||||||||