compagnies aériennes
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Oneworld | Organisation | 48 | 80.4 |
| Onur Air | Organisation | 22 | 13.3 |
| Openskies | Organisation | 22 | 27.8 |
| Orange2fly | Organisation | 9 | 0.1 |
| Orbest | Organisation | 13 | 0.9 |
| Orbest Orizonia Airlines | Organisation | 15 | 0.6 |
| Orenburg Airlines | Organisation | 19 | 1.7 |
| Orient Thai Airlines | Organisation | 24 | 1.0 |
| Oriental Air Bridge | Organisation | 12 | 0.9 |
| Oriental de Aviación | Organisation | 1 | 0.1 |
| Origin Pacific Airways | Organisation | 4 | 0.3 |
| Overseas National Airlines | Organisation | 5 | 0.1 |
| Owg | Organisation | 4 | 2.5 |
| Ozjet | Organisation | 7 | 0.3 |
| Pacific Air Lines | Organisation | 4 | 0.0 |
| Pacific Southwest Airlines | Organisation | 15 | 2.8 |
| Pacific Sun | Organisation | 15 | 0.2 |
| Pacific Western Airlines | Organisation | 4 | 0.9 |
| Pacific Wings | Organisation | 8 | 0.5 |
| Pakistan International Airlines | Organisation | 48 | 12.2 |
| Pal Airlines | Organisation | 10 | 3.7 |
| Palau Micronesia Air | Organisation | 4 | 0.0 |
| Palestine Airways | Organisation | 10 | 0.0 |
| Palestinian Airlines | Organisation | 21 | 1.8 |
| Pamir Airways | Organisation | 15 | 1.5 |
| Pan Am | Organisation | 55 | 125.7 |
| Pan Européenne Air Service | Organisation | 9 | 2.0 |
| Panair Do Brasil | Organisation | 10 | 2.6 |
| Panh | Organisation | 4 | 0.2 |
| Pantanal Linhas Aéreas | Organisation | 11 | 1.0 |
| Partnair | Organisation | 9 | 1.1 |
| Pascan Aviation | Organisation | 9 | 7.0 |
| Passion Air | Organisation | 6 | 0.0 |
| Pauknair | Organisation | 6 | 0.0 |
| Payam Air | Organisation | 8 | 0.2 |
| Pbair | Organisation | 18 | 0.0 |
| Peach | Organisation | 21 | 5.8 |
| Pearl Aviation | Organisation | 4 | 0.1 |
| Peau Vava'u | Organisation | 2 | 0.6 |
| Pegas Fly | Organisation | 15 | 1.4 |
| Pegasus Airlines | Organisation | 45 | 53.4 |
| Pel-air | Organisation | 6 | 0.0 |
| Pelita Air | Organisation | 14 | 0.7 |
| Penair | Organisation | 14 | 0.4 |
| Penas Air | Organisation | 6 | 0.0 |
| People's | Organisation | 9 | 0.3 |
| Peoplexpress | Organisation | 6 | 0.7 |
| Peruvian Airlines | Organisation | 16 | 2.5 |
| Pet Airways | Organisation | 5 | 0.1 |
| Petra Airlines | Organisation | 7 | 0.4 |