GMP → CJUSeoul to Jeju City

live

Direct flights from Seoul (GMP) to Jeju City (CJU): 56 nonstop departures observed each week across 8 airlines. 56% of the last 64 operated flights arrived within 15 minutes of schedule. The median arrival is 14 minutes late. No cancellations were recorded across the 64 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 Seoul and Jeju City. Updated 20 October 2026 at 14:24 UTC.

Today, GMP → CJU

Tue 20 Oct · local times
  1. 13:15 KE1113대한항공 Left 13:44 +29 Landed 14:40 +10
  2. 13:25 KE1121대한항공 Left 14:07 +42 Landed 14:59 +19
  3. 13:45 RS905에어서울 Left 14:34 +49 Landed 15:34 +29
  4. 13:45 ZE217이스타항공 Left 14:05 +20 Landed 14:55 −5
  5. 13:55 TW717트리니티항공 Left 14:27 +32 Landed 15:28 +18
  6. 14:00 7C155제주항공 Left 14:11 +11 Landed 15:02 −13
  7. 14:00 KE1141대한항공 Left 14:14 +14 Landed 15:09 −6
  8. 14:00 TW723트리니티항공 Left 14:21 +21 Landed 15:17 +2
  9. 14:15 TW721트리니티항공 Left 14:37 +22 Landed 15:48 +18
  10. 14:25 7C125제주항공 Left 14:36 +11 Landed 15:41 +1
  11. 14:40 ZE219이스타항공 Left 15:07 +27 Landed 16:10 +15
  12. 14:55 KE1143대한항공 Left 15:10 +15 Landed 16:14 +4
  13. 15:00 ZE221이스타항공 Left 15:14 +14 Landed 16:40 +20
  14. 15:05 7C127제주항공 Left 15:22 +17 Landed 16:22 +2
  15. 15:10 KE1147대한항공 Left 15:38 +28 Landed 16:36 +11
  16. 15:10 OZ8963아시아나항공 Left 15:53 +43 Landed 16:56 +31
  17. 15:15 BX8021에어부산 Left 15:57 +42 Landed 16:59 +29
  18. 15:15 TW725트리니티항공 Left 15:42 +27 Landed 16:48 +18
  19. 15:20 LJ511진에어 Left 16:08 +48 Landed 17:13 +38
  20. 15:20 ZE275이스타항공 Left 15:40 +20 Landed 16:44 −1
  21. 15:35 7C129제주항공 Left 16:15 +40 Landed 17:26 +31
  22. 15:35 ZE223이스타항공 Left 16:20 +45 Landed 17:29 +39
  23. 15:45 OZ8973아시아나항공 Left 16:13 +28 Landed 17:19 +19
  24. 15:55 7C131제주항공 Left 16:22 +27 Landed 17:35 +20
  25. 16:25 KE1355대한항공 Left 16:33 +8 Landed 17:46 +6
  26. 16:35 KE1165대한항공 Left 16:49 +14 Landed 18:04 +14
  27. 17:10 TW727트리니티항공 Left 17:28 +18 Landed 18:32 +7
  28. 17:25 KE1365대한항공 Left 17:47 +22 Landed 18:47 +7
  29. 17:30 KE1177대한항공 Left 18:04 +34 Landed 19:01 +16
  30. 17:30 TW743트리니티항공 Left 18:08 +38 Landed 19:08 +23
  31. 17:40 BX8019에어부산 Left 17:51 +11 Landed 18:51 −4
  32. 17:45 KE1185대한항공 Left 18:02 +17 Landed 18:58 −2
  33. 17:55 ZE227이스타항공 Left 18:06 +11 Landed 19:04 −6
  34. 18:00 7C157제주항공 Left 18:12 +12 Landed 19:11 −4
  35. 18:00 TW731트리니티항공 Left 18:24 +24 Landed 19:18 +3
  36. 18:05 7C135제주항공 Left 18:42 +37 Landed 19:39 +19
  37. 18:15 KE1195대한항공 Left 18:28 +13 Landed 19:22 −8
  38. 18:15 RS907에어서울 Left 18:40 +25 Landed 19:32 +2
  39. 18:30 TW733트리니티항공 Left 18:51 +21 Landed 19:48 +3
  40. 18:35 ZE229이스타항공 Left 18:49 +14 Landed 19:45 −5
  41. 18:35 ZE283이스타항공 Left 19:16 +41 Landed 20:10 +20
  42. 18:45 KE1205대한항공 Left 19:26 +41 Landed 20:30 +30
  43. 19:00 LJ513진에어 Left 19:41 +41 Landed 20:52 +37
  44. 19:00 TW735트리니티항공 Left 19:18 +18 Landed 20:17 +2
  45. 19:05 LJ515진에어 Left 20:01 +56 Landed 21:13 +53
  46. 19:05 OZ8985아시아나항공 Left 19:22 +17 Landed 20:23 +3
  47. 19:10 WE6503파라타항공 Left 19:37 +27 Landed 20:49 +24
  48. 19:10 ZE277이스타항공 Left 19:49 +39 Landed 20:59 +34
  49. 19:15 7C137제주항공 Left 19:28 +13 Landed 20:38 +8
  50. 19:20 ZE231이스타항공 Left 19:33 +13 Landed 20:43 +8
  51. 19:25 7C139제주항공 Left 19:53 +28 Landed 21:07 +27
  52. 19:25 TW763트리니티항공 Left 19:45 +20 Landed 20:55 +15
  53. 19:30 ZE233이스타항공 Left 20:09 +39 Landed 21:18 +23
  54. 20:25 7C141제주항공 Left 20:54 +29 Landed 21:54 +14
  55. 20:30 KE1227대한항공 Left 20:42 +12 Landed 21:48 +3
  56. 20:45 OZ8993아시아나항공 Left 22:28 +103 Landed 23:17 +77
  57. · 7C119제주항공 Departed Landed 13:59 +19
  58. · 7C123제주항공 Departed Landed 14:37 +2
  59. · KE1107대한항공 Departed Landed 14:06 +6
  60. · LJ509진에어 Departed Landed 14:30 +30
  61. · OZ8949아시아나항공 Departed Landed 14:02 +22
  62. · OZ8951아시아나항공 Departed Landed 14:20 +10
  63. · TW713트리니티항공 Departed Landed 13:34 +4
  64. · TW715트리니티항공 Departed Landed 14:27 +12

Checked GMP board 23:24 · CJU board 23:23

GMP Seoul busy · +29
CJU Jeju City smooth · +4
452 km · ~1h 05m est.
dep bank 06:00–20:4556x weekly
Runs rough · 8 airlines · 56x weekly · nonstop
56% on time

of the last 64 operated GMP → CJU flights arrived within 15 minutes

Median arrival delay is +14 min. 0 of 64 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+14 minacross the last 64 operated legs
Flight time~1h 05mestimated from route distance
Weekly departures56x8 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 64

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 BX8027 08:05 Th · BX8019 17:40 daily

Air SeoulRS

Flights RS901 06:00 daily · RS903 09:45 daily · RS905 13:45 daily · RS907 18:15 daily

Asiana AirlinesOZ33% on time

Flights OZ8913 06:40 daily · OZ8927 08:25 daily · OZ8941 11:20 daily · OZ8951 12:55 daily

Coyne Airways7C58% on time

Flights 7C101 06:15 daily · 7C103 06:20 daily · 7C151 06:20 daily · 7C105 06:45 daily

Eastar JetZE55% on time

Flights ZE201 06:05 daily · ZE261 06:10 Tu We Th Fr Sa Su · ZE205 06:45 daily · ZE207 07:35 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 AirlinesTW67% on time

Flights TW701 06:25 daily · TW703 06:50 daily · TW705 07:50 daily · TW751 08:00 Sa Su

대한항공KE79% on time

Flights KE1007 06:35 daily · KE1017 07:05 daily · KE1019 07:10 daily · KE1023 07:20 daily

History

operated legs · board outcomes
10-207C119arrived+19
10-207C123arrived+2
10-207C125dep +11 → arr+1
10-207C127dep +17 → arr+2
10-207C129dep +40 → arr+31
10-207C131dep +27 → arr+20
10-207C135dep +37 → arr+19
10-207C137dep +13 → arr+8
10-207C139dep +28 → arr+27
10-207C141dep +29 → arr+14
10-207C155dep +11 → arr−13
10-207C157dep +12 → arr−4
10-20BX8019dep +11 → arr−4
10-20BX8021dep +42 → arr+29
10-20KE1107arrived+6
10-20KE1113dep +29 → arr+10
10-20KE1121dep +42 → arr+19
10-20KE1141dep +14 → arr−6
10-20KE1143dep +15 → arr+4
10-20KE1147dep +28 → arr+11
10-20KE1165dep +14 → arr+14
10-20KE1177dep +34 → arr+16
10-20KE1185dep +17 → arr−2
10-20KE1195dep +13 → arr−8
10-20KE1205dep +41 → arr+30
10-20KE1227dep +12 → arr+3
10-20KE1355dep +8 → arr+6
10-20KE1365dep +22 → arr+7
10-20LJ509arrived+30
10-20LJ511dep +48 → arr+38
10-20LJ513dep +41 → arr+37
10-20LJ515dep +56 → arr+53
10-20OZ8949arrived+22
10-20OZ8951arrived+10
10-20OZ8963dep +43 → arr+31
10-20OZ8973dep +28 → arr+19
10-20OZ8985dep +17 → arr+3
10-20OZ8993dep +103 → arr+77
10-20RS905dep +49 → arr+29
10-20RS907dep +25 → arr+2

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
GMPSeoul +29 min busy Full GMP delay board →
CJUJeju City +4 min smooth Full CJU delay board →

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

GMP to CJU questions

Is GMP–CJU running on time right now?

Mostly on schedule. The departure side at GMP is the weaker end, route health score 77/100. 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 695 flights a week between them. Compare carrier days and times in the airline list above.