SUM Air
South Korean regional airline
From Wikipedia, the free encyclopedia
SUM Air (Korean: 섬에어, romanized: ISLAND air) is a South Korean regional airline based in Gangseo District, Seoul, South Korea.[1][2][3][4][5][6]
 | |||||||
| |||||||
| 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 | ||||||
In February 2025 the airline received an air carrier licence from Ministry of Land, Infrastructure and Transport.[3] The airline will operate ATR 72-600s one leased from Aviation.[7][2][8] As of January 2026, the airline has taken delivery of its first ATR 72, registered HL5264. It will operate two more ATRs.[8]
Destinations
SUM Air currently operates services to and from China and Japan.
| Country | City | Airport | Notes | Refs |
|---|---|---|---|---|
| China | Qingdao | Qingdao Jiaodong International Airport | Planned | [9] |
| Weihai | Weihai Dashuipo International Airport | Planned | [9] | |
| Yantai | Yantai Penglai International Airport | Planned | [9] | |
| South Korea | Seoul | Incheon International Airport | Hub | [9] |
| Seoul | Gimpo International Airport | Hub | [9] | |
| Busan | Gimhae International Airport | [9] | ||
| Daegu | Daegu International Airport | [9] | ||
| Gwangju | Gwangju Airport | [9] | ||
| Gunsan | Gunsan Airport | [9] | ||
| Muan | Muan International Airport | [9] | ||
| Jeju | Jeju International Airport | [9] | ||
| Pohang | Pohang Gyeongju Airport | [9] | ||
| Sacheon | Sacheon Airport | Flights are being operated
(unknown if commercial) |
[9] | |
| Ulsan | Ulsan Airport | [9] | ||
| Yeosu | Yeosu Airport | [9] | ||
| Yangyang | Yangyang International Airport | [9] | ||
| Japan | Kitakyushu | Kitakyushu Airport | Planned | [9] |
| Kumamoto | Kumamoto Airport | Planned | [9] | |
| Miyazaki | Miyazaki Airport | Planned | [9] | |
| Tsushima | Tsushima Airport | Planned | [9] | |
Fleet
As of February 2026, the SUM Air fleet consists of the following aircraft:[10]
| Aircraft | In service |
Orders | Passengers | Notes |
|---|---|---|---|---|
| ATR 72-600 | 1 | 2 | 72 |
