Southwest Airlines
- IATA
- WN
- Fleet
- 800
Jeju Air
- IATA
- 7C
- ICAO
- JJA
- Founded
- 2005
- Fleet
- 40
- Destinations
- 45
Jeju Air is South Korea’s largest low-cost carrier, founded to serve the Seoul-Jeju corridor — the world’s busiest air route — and since expanded across Asia. Its all-Boeing 737 fleet flies from Seoul, Busan, and Jeju.