Air BusanBX
Flights BX8027 08:05 Th · BX8019 17:40 daily
live
Direct flights from Seoul (GMP) to Jeju City (CJU): 56 nonstop departures observed each week across 8 airlines. The nonstop covers 452 km, an estimated 1 hour 5 minutes in the air. Measured by Pro Flight Search from live flight boards at Seoul and Jeju City. Updated 6 September 2026 at 20:24 UTC.
GMP
Seoul
busy · +24
CJU
Jeju City
smooth · +0
452 km · ~1h 05m est.
Running clean · 8 airlines · 56x weekly · nonstop
84 / 100
route health from live GMP and CJU delay boards
Flight time~1h 05mestimated from route distance
Weekly departures56x8 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Air BusanAir SeoulAsiana AirlinesCoyne Airways
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysAir SeoulRS
Flights RS901 06:00 daily · RS903 09:45 daily · RS905 13:45 daily · RS907 18:15 daily
Asiana AirlinesOZ
Flights OZ8913 06:40 daily · OZ8927 08:25 daily · OZ8941 11:20 daily · OZ8951 12:55 daily
Coyne Airways7C
Flights 7C101 06:15 daily · 7C103 06:20 daily · 7C151 06:20 daily · 7C105 06:45 daily
Eastar JetZE
Flights ZE201 06:05 daily · ZE205 06:45 daily · ZE207 07:35 daily · ZE271 07:40 daily
Jin AirLJ
Flights LJ501 06:15 daily · LJ503 06:30 Mo We Th Fr Sa Su · LJ505 07:25 daily · LJ507 10:30 daily
T'way AirlinesTW
Flights TW701 06:25 daily · TW703 06:50 daily · TW705 07:50 daily · TW707 09:45 daily
대한항공KE
Flights KE1007 06:35 daily · KE1017 07:05 daily · KE1019 07:10 daily · KE1023 07:20 daily
Airports right now
live boardsWeather lens
Current conditions put the pressure at CJU: 27% odds of a 15+ minute delay, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Seoul to Jeju City route actually runs
Pro Flight Search records official board updates for nonstop GMP to CJU flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Seoul (GMP) to Jeju City (CJU) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/GMP-CJU
GMP to CJU questions
Is GMP–CJU running on time right now?
Smooth skies ahead. The departure side at GMP is the weaker end, route health score 84/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on GMP–CJU?
Operators schedule morning departures around 06:00 and evening departures around 17:10 from GMP. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CJU delay card to confirm conditions when you'd arrive.
How long is the flight from GMP to CJU?
Great-circle distance is 452 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 62–69 min gate-to-gate on this route.
How often does GMP–CJU fly?
8 carriers operate this route, around 672 flights a week between them. Compare carrier days and times in the airline list above.
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