The top 10 airlines that have added the most new destinations in 2021 are:
1. Wizz Air
2. Ryanair
3. Vueling
4. AirAsia
5. Allegiant Air
6. JetBlue Airways
7. Spirit Airlines
8. IndiGo
9. Southwest Airlines
10. Frontier Airlines
The top 10 airlines that have added the most new destinations in 2021 are:
1. Wizz Air
2. Ryanair
3. Vueling
4. AirAsia
5. Allegiant Air
6. JetBlue Airways
7. Spirit Airlines
8. IndiGo
9. Southwest Airlines
10. Frontier Airlines