This article may contain an excessive number of citations. (January 2026) |
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| Founded | 17 November 2022 | ||||||
|---|---|---|---|---|---|---|---|
Commenced operations | 30 March 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 (Korean: 섬에어; RR: Seomeeo) is a South Korean regional airline based in Gangseo District, Seoul, South Korea.
In February 2025 the airline received an air carrier licence from Ministry of Land, Infrastructure and Transport. The airline will operate ATR 72-600s one leased from Avation. As of January 2026, the airline has taken delivery of its first ATR 72, registered HL5264. It will operate two more ATRs.
SUM Air currently operates services to and from China and Japan.
As of July 2026[update], SUM Air operates the following aircraft:
| Aircraft | In service | Orders | Passengers | Notes |
|---|---|---|---|---|
| ATR 72-600 | 1 | 6 | 72 | Deliveries from December 2025. Order with 4 purchase rights. |
| Total | 1 | 6 |
The SUM Air logo features a triangular symbol representing an island and the sea horizon. The surrounding outline symbolizes movement and connections between destinations. The name “SUM” is derived from the Korean word for “island”.