| Rank | Airline | Year founded |
| 1. | KLM | October, 1919 |
| 2. | Avianca | December, 1919 |
| 3. | Qantas | November, 1920 |
| 4. | Aerflot | July, 1923 |
| 5. | Czech Airlines | October, 1923 |
| 6. | Finnair | November, 1923 |
| 7. | Tajik Air | September, 1924 |
| 8. | Delta Air Lines | March, 1925 |
| 9. | America Airlines | April, 1926 |
| 10. | Air Serbia | June, 1927 |
Top 10 Oldest Airlines in the World 2022
