SUM Air

SUM Air

SUM Air ATR 72
IATA ICAO Call sign — XUM —
Founded	2022
Commenced operations	2026
Fleet size	1
Parent company	Mobility As A Freedom
Headquarters	Gangseo District, Seoul, South Korea
Key people	Yongduck Choi
Employees	11-50
Website	https://www.sumair.kr/en

SUM Air is a South Korean regional airline based in Gangseo District, Seoul, South Korea. ^{[1] [2] [3] [4] [5] [6] [7] [8]}

In February 2025 the airline received a air carrier licence from Ministry of Land, Infrastructure and Transport. ^[5] The airline will operate ATR 72-600 s leased from Aviation. ^{[9] [4]} As of January 2026, the airine has taken delivery of its first ATR 72, registered HL-5264.

References

1. "About". 섬에어 SUM Air. Retrieved 2026-01-05.
2. "SUM Air has taken delivery of its first ATR72-600 on lease from Avation PLC (AVAP:LSE)". ch-aviation LinkedIn. 2026-01-05. Retrieved 2026-01-05.
3. Hardy, Grace (2025-02-20). "Korean regional airline SUM Air takes step closer to commercial operations". LARA. Archived from the original on 2026-01-02. Retrieved 2026-01-05.
4. "Avation delivers ATR 72-600 to South Korea's SUM Air on 12-year lease". AJ Bell. AJ Bell. 2025-12-30. Archived from the original on 2026-01-03.
5. "Sum Air Airline Profile". CAPA - Centre for Aviation. Informa Markets. Archived from the original on 2025-03-24. Retrieved 2026-01-05.
6. Drum, Bruce. "Sum Air". BRUCE DRUM (AIRLINERSGALLERY). Retrieved 2026-01-05.
7. "SUM Air". LinkedIn. 2025-07-12. Retrieved 2026-01-05.
8. Dong-hwan, Ko (2025-12-17). "Sum Air, 1st Korean airline to focus on underserved areas, to launch next year - The Korea Times". The Korea Times . Archived from the original on 2026-01-01. Retrieved 2026-01-05.
9. Tamm, Heike (2025-09-08). "Avation Leases ATR 72-600 to SUM Air". AviTrader Aviation News. Retrieved 2026-01-05.