| Airline | Country | Established | Fleet size | Average age |
|---|---|---|---|---|
| Yakutia Airlines | Brazil | 3 | 18 years | |
| Yakutia Airlines | Russian Federation | 1993 | 5 | 22 years |
| Yamal Airlines | Russian Federation | 26 | 21 years | |
| Yangtze River Express Airlines | China | 2003 | 4 | 29 years |
| Yemenia Airways | Yemen | 3 | 19 years | |
| Zhejiang Loong | China | 17 | 8 years | |
| Zimex Aviation | Switzerland | 2 | 30 years |