| Year | Gallons Consumed | Total Cost | Avg. Cost Per Gallon | % Operating Expenses | Note: All values are in millions, except for Cost per Gallon and Percent of Operating Expenses. To be clear: 3,014 actually means 3 billion, not 3 thousand. | ||
| American | 2006 | 3,014 | 3,563 $3,563 | 1.21 $1.21 | 19.2 19.2 | ||
| 2005 | 2,948 | 5,080 $5,080 | 1.72 $1.72 | 24.2 | |||
| 2004 | 2,881 | 5,784 $5,784 | 2.08 $2.08 | 26.7 | |||
| Northwest | 2006 | 1,593 | 3,386 $3,386 | 2.02 $2.02 | 28 | ||
| 2005 | 1,745 | 3,132 $3,132 | 1.7 $1.70 | 23 | |||
| 2004 | 1,766 | 2,203 $2,203 | 1.11 $1.11 | 18 | |||
| US Airways | 2006 | 775 | 1,607 $1,607 | 2.07 $2.07 | 21.5 | ||
| 2005 | 842 | 1,486 $1,486 | 1.77 $1.77 | 20 | |||
| 2004 | 884 | 991 $991 | 1.12 $1.12 | 13.4 | |||
| Delta | 2006 | 2,111 | 4,319 $4,319 | 2.04 $2.04 | 25 | ||
| 2005 | 2,492 | 4,271 $4,271 | 1.71 $1.71 | 23 | |||
| 2004 | 2,527 | 2,924 $2,924 | 1.16 $1.16 | 16 | |||
| United | 2006 | 2,663 | 5,658 $5,658 | 2.17 $2.17 | 30 | ||
| 2005 | 2,603 | 4,741 $4,741 | 1.9 $1.90 | 37 | |||
| 2004 | 2,349 | 2,943 $2,943 | 1.25 $1.25 | 58 | |||
| Southwest | 2006 | Unk. | 2,138 $2,138 | 1.53 $1.53 | 26.2 | ||
| 2005 | Unk. | 1,341 $1,341 | 1.03 $1.03 | 19.6 | |||
| 2004 | Unk. | 100 $100 | 0.83 $0.83 | 16.3 | |||
| Continental | 2006 | 1,471 | 3,034 $3,034 | 2.06 $2.06 | 29 | ||
| 2005 | 1,376 | 2,443 $2,443 | 1.77 $1.77 | 26 | |||
| 2004 | 1,333 | 1,587 $1,587 | 1.19 $1.19 | 15 | |||