CJU → GMPJeju City to Seoul

live

Direct flights from Jeju City (CJU) to Seoul (GMP): 56 nonstop departures observed each week across 8 airlines. 79% of the last 38 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 38 tracked flights. The nonstop covers 452 km, an estimated 1 hour 5 minutes in the air. Measured by Pro Flight Search from live flight boards at Jeju City and Seoul. Updated 7 September 2026 at 11:10 UTC.

CJU Jeju City busy · +18
GMP Seoul smooth · +0
452 km · ~1h 05m est.
dep bank 06:25–21:2056x weekly
Runs mixed · 8 airlines · 56x weekly · nonstop
79% on time

of the last 38 operated CJU → GMP flights arrived within 15 minutes

Median arrival delay is +0 min. 0 of 38 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+0 minacross the last 38 operated legs
Flight time~1h 05mestimated from route distance
Weekly departures56x8 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 38

The week

scheduled departures · origin local time
06121824
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 days
Air BusanBX

Flights BX8040 varies Mo Tu We Th Sa · BX8012 19:30 Mo Tu Fr · BX8024 varies daily

Air SeoulRS

Flights RS902 07:55 daily · RS904 11:55 daily · RS906 15:55 daily · RS908 20:50 daily

Asiana AirlinesOZ60% on time

Flights OZ8900 06:25 daily · OZ8902 06:30 daily · OZ8904 07:05 daily · OZ8920 10:20 daily

Coyne Airways7C88% on time

Flights 7C102 07:10 Mo We Th Fr Su · 7C152 08:15 daily · 7C104 08:40 daily · 7C106 09:45 daily

Eastar JetZE50% on time

Flights ZE202 08:00 daily · ZE206 08:50 daily · ZE204 08:55 daily · ZE282 09:20 daily

Jin AirLJ

Flights LJ502 07:20 daily · LJ504 08:25 Mo We Th Fr Sa Su · LJ506 10:55 daily · LJ508 13:15 daily

T'way AirlinesTW100% on time

Flights TW762 07:25 Tu Su · TW702 07:50 daily · TW706 08:45 daily · TW708 09:50 daily

대한항공KE100% on time

Flights KE1114 06:55 Mo Tu We Th Fr Sa · KE1118 07:00 daily · KE1136 08:35 daily · KE1150 09:00 Mo We Fr Su

History

operated legs · board outcomes
09-077C120dep +49 → arr+22
09-077C122dep +39 → arr+12
09-077C124dep +31 → arr+6
09-077C126dep +17 → arr−7
09-077C128dep +16 → arr−11
09-077C130dep +18 → arr−10
09-077C132dep +34 → arr+6
09-077C186dep +20 → arr−16
09-07BX8028arrived+6
09-07KE1238dep +14 → arr−13
09-07KE1244dep +39 → arr+11
09-07KE1246dep +26 → arr−1
09-07KE1268dep +15 → arr−13
09-07KE1272dep +9 → arr−17
09-07KE1294dep +15 → arr−10
09-07LJ508arrived−4
09-07LJ516dep +20 → arr−6
09-07OZ8942arrived+5
09-07OZ8948dep +22 → arr+6
09-07OZ8950dep +45 → arr+18
09-07OZ8964dep +56 → arr+27
09-07OZ8980dep +15 → arr−15
09-07TW720arrived−5
09-07TW722dep +27 → arr+1
09-07TW724dep +24 → arr−1
09-07TW728dep +19 → arr−5
09-07TW742dep +26 → arr+0
09-07WE6502dep +16 → arr−12
09-07ZE214arrived+24
09-07ZE216dep +47 → arr+23
09-07ZE218dep +13 → arr−15
09-07ZE220dep +22 → arr−3
09-07ZE222dep +44 → arr+16
09-07ZE224dep +36 → arr+7
09-07ZE226dep +8 → arr−15
09-07ZE274arrived+15
09-07ZE276dep +54 → arr+25
09-07ZE284dep +41 → arr+16

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
CJUJeju City +18 min busy Full CJU delay board →
GMPSeoul +0 min smooth Full GMP delay board →

Weather 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 →

How the Jeju City to Seoul route actually runs

Pro Flight Search records official board updates for nonstop CJU to GMP 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 — Jeju City (CJU) to Seoul (GMP) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/CJU-GMP
How we measure this →

CJU to GMP questions

Is CJU–GMP running on time right now?

Smooth skies ahead. The departure side at CJU is the weaker end, route health score 88/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on CJU–GMP?

Operators schedule morning departures around 06:25 and evening departures around 17:00 from CJU. Earlier flights typically land before destination-airport delays accumulate later in the day; check the GMP delay card to confirm conditions when you'd arrive.

How long is the flight from CJU to GMP?

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 CJU–GMP fly?

8 carriers operate this route, around 720 flights a week between them. Compare carrier days and times in the airline list above.