| Rank | Airport | Location | Code (IATA) | Volume[2] | 2004 Rank | % Change |
|---|
| 1. | Hartsfield-Jackson Atlanta International Airport | Atlanta, Georgia, United States | ATL | 980,386 | 2 (+1) | 1.6% |
| 2. | O'Hare International Airport | Chicago, Illinois, United States | ORD | 972,248 | 1 (-1) | -2.0% |
| 3. | Dallas-Fort Worth International Airport | Dallas/Fort Worth, Texas, United States | DFW | 711,878 | 3 | -11.6% |
| 4. | Los Angeles International Airport | Los Angeles, California, United States | LAX | 650,629 | 4 | -0.7% |
| 5. | McCarran International Airport | Las Vegas, Nevada, United States | LAS | 605,046 | 7 (+2) | 11.1% |
| 6. | George Bush Intercontinental Airport | Houston, Texas, United States | IAH | 562,966 | 12 (+6) | 8.8% |
| 7. | Denver International Airport | Denver, Colorado, United States | DEN | 560,669 | 5 (-2) | 0.1% |
| 8. | Sky Harbor International Airport | Phoenix, Arizona, United States | PHX | 555,256 | 6 (-2) | 1.5% |
| 9. | Philadelphia International Airport | Philadelphia, Pennsylvania, United States | PHL | 535,666 | 13 (+4) | 10.2% |
| 10. | Minneapolis-Saint Paul International Airport | Minneapolis/Saint Paul, Minnesota, United States | MSP | 532,240 | 8 (-2) | -1.6% |
| 11. | Charles De Gaulle International Airport | Paris, Île-de-France, France | CDG | 522,619 | 9 (-2) | -0.6% |
| 12. | Detroit Metropolitan Wayne County Airport | Detroit, Michigan, United States | DTW | 521,899 | 10 (-2) | -0.1% |
| 13. | Charlotte/Douglas International Airport | Charlotte, North Carolina, United States | CLT | 521,878 | 19 (+6) | 11.4% |
| 14. | Washington Dulles International Airport | Dulles, Virginia, United States | IAD | 509,468 | 16 (+2) | 8.5% |
| 15. | Cincinnati/Northern Kentucky International Airport | Newport, Kentucky, United States | CVG | 496,364 | 11 (-4) | -4.1% |
| 16. | Frankfurt International Airport | Frankfurt, Hessen, Germany | FRA | 490,147 | 14 (-2) | 2.7% |
| 17. | London Heathrow Airport | Hayes, London, United Kingdom | LHR | 477,884 | 15 (-2) | 0.4% |
| 18. | Salt Lake City International Airport | Salt Lake City, Utah, United States | SLC | 455,472 | 21 (+3) | 10.6% |
| 19. | Newark Liberty International Airport | Newark, New Jersey, United States | EWR | 437,402 | 18 (-1) | -0.4% |
| 20. | Amsterdam Schiphol Airport | Haarlemmermeer, North Holland, The Netherlands | AMS | 420,736 | N/A | 0.5% |
| 21. | Barajas International Airport | Madrid, Spain | MAD | 415,677 | 24 (+3) | 3.5% |
| 22. | Van Nuys Airport | Van Nuys, California, United States | VNY | 411,317 | 17 (-5) | -8.3% |
| 23. | Toronto Pearson International Airport | Toronto, Ontario, Canada | YYZ | 409,401 | 23 | 1.4% |
| 24. | Logan International Airport | Boston, Massachusetts, United States | BOS | 409,066 | 22 (-2) | 0.9% |
| 25. | LaGuardia Airport | New York City, New York, United States | LGA | 404,853 | 26 (+1) | 1.3% |
| 26. | Franz Josef Strauss International Airport | Munich, Germany | MUC | 398,838 | 28 (+2) | 4.1% |
| 27. | Memphis International Airport | Memphis, Tennessee, United States | MEM | 392,360 | 27 | 1.1% |
| 28. | Miami International Airport | Miami, Florida, United States | MIA | 381,610 | 25 (-3) | -4.8% |
| 29 | Phoenix Deer Valley Airport | Phoenix, Arizona, United States | DVT | 378,225 | N/A | 11.1% |
| 30 | Long Beach Municipal Airport | Long Beach, California, United States | LGB | 353,011 | N/A | 4.1% |