These tables have been extracted from WATS 58th edition. Most of the airlines have reported directly to IATA. If there is a missing airline it is due to unavailability of data.
International
| Rank | Airline | Thousands |
| 1 | Ryanair | 81,395 |
| 2 | easyJet | 52,787 |
| 3 | Lufthansa | 50,739 |
| 4 | Emirates | 43,335 |
| 5 | British Airways | 33,803 |
| 6 | Air France | 33,118 |
| 7 | Turkish Airlines | 27,407 |
| 8 | KLM | 26,581 |
| 9 | United Airlines | 25,002 |
| 10 | Delta Air Lines | 23,086 |
Domestic
| Rank | Airline |
Thousands |
| 1 | Southwest Airlines | 115,323 |
| 2 | Delta Air Lines | 97,550 |
| 3 | China Southern Airlines | 84,164 |
| 4 | United Airlines | 65,159 |
| 5 | American Airlines | 65,104 |
| 6 | China Eastern Airlines | 52,536 |
| 7 | US Airways | 50,157 |
| 8 | Air China | 44,945 |
| 9 | All Nippon Airways | 38,921 |
| 10 | Qantas Airways | 35,085 |
Total (International + Domestic)
| Rank | Airline |
Thousands |
| 1 | Delta Air Lines | 120,636 |
| 2 | Southwest Airlines | 115,323 |
| 3 | China Southern Airlines | 91,504 |
| 4 | United Airlines | 90,161 |
| 5 | American Airlines | 86,823 |
| 6 | Ryanair | 81,395 |
| 7 | Lufthansa | 63,273 |
| 8 | China Eastern Airlines | 62,653 |
| 9 | easyJet | 58,410 |
| 10 | US Airways | 56,708 |