CJU → CJJJeju City to Cheongju

live

Direct flights from Jeju City (CJU) to Cheongju (CJJ): 49 nonstop departures observed each week across 7 airlines. 23% of the last 52 operated flights arrived within 15 minutes of schedule. The median arrival is 26 minutes late. No cancellations were recorded across the 52 tracked flights. The nonstop covers 368 km, an estimated 58 minutes in the air. Measured by Pro Flight Search from live flight boards at Jeju City and Cheongju. Updated 16 October 2026 at 07:23 UTC.

Today, CJU → CJJ

Fri 16 Oct · local times
7C212제주항공In the air, 33 min late

Left CJU at 08:43, 33 min after its 08:10 slot.

Track 7C212 →
LJ402진에어In the air, 40 min late

Left CJU at 10:05, 40 min after its 09:25 slot.

Track LJ402 →
  1. 06:45 LJ418진에어 Left 06:52 +7 ·
  2. 07:20 KE1704대한항공 Left 07:30 +10 ·
  3. 07:50 ZE712이스타항공 Left 08:02 +12 ·
  4. 08:10 7C212제주항공 Left 08:43 +33 ·
  5. 09:25 LJ402진에어 Left 10:05 +40 ·
  6. 09:30 7C214제주항공 Left 09:51 +21 ·
  7. 09:40 TW842트리니티항공 Left 10:12 +32 ·
  8. 10:40 LJ404진에어 Left 10:58 +18 ·
  9. 11:05 TW836트리니티항공 Left 11:18 +13 ·
  10. 11:10 OZ8232아시아나항공 Left 11:39 +29 ·
  11. 12:15 KE1712대한항공 Left 12:52 +37 ·
  12. 12:25 LJ406진에어 Left 12:56 +31 ·
  13. 14:25 LJ408진에어 Left 15:03 +38 ·
  14. 14:45 TW838트리니티항공 Left 15:12 +27 ·
  15. 14:50 KE1722대한항공 Left 15:45 +55 ·
  16. 15:10 OZ8234아시아나항공 Left 15:33 +23 ·
  17. 16:10 RF610에어로케이 Sched 16:10Departure not confirmed by the board ·
  18. 17:10 7C226제주항공 On scheduleGate 1A ·
  19. 17:30 7C228제주항공 On scheduleGate 9 ·
  20. 17:35 LJ410진에어 On scheduleGate 13 ·
  21. 18:55 TW840트리니티항공 On scheduleGate 7 ·
  22. 19:00 OZ8238아시아나항공 On scheduleGate 10 ·
  23. 21:25 RF614에어로케이 On scheduleGate 11 ·
  24. 21:25 ZE716이스타항공 On scheduleGate 3A ·
  25. 21:45 LJ482진에어 On scheduleGate 12 ·
  26. 21:50 TW850트리니티항공 On scheduleGate 3 ·

Checked CJU board 16:23

CJU Jeju City heavy · +35
CJJ Cheongju tracking
368 km · ~0h 58m est.
dep bank 06:45–21:5049x weekly
Runs rough · 7 airlines · 49x weekly · nonstop
23% on time

of the last 52 operated CJU → CJJ flights arrived within 15 minutes

Median arrival delay is +26 min. 0 of 52 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+26 minacross the last 52 operated legs
Flight time~0h 58mestimated from route distance
Weekly departures49x7 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 52

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Aero KAsiana AirlinesCoyne AirwaysEastar Jet

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
Aero KRF

Flights RF610 varies daily · RF614 21:25 daily

Asiana AirlinesOZ0% on time

Flights OZ8232 11:10 daily · OZ8234 15:10 daily · OZ8238 19:00 daily · OZ8236 19:50 We Su

Coyne Airways7C10% on time

Flights 7C212 08:10 daily · 7C214 09:30 daily · 7C226 17:10 daily · 7C228 17:30 daily

Eastar JetZE

Flights ZE712 07:50 daily · ZE716 21:25 daily

Jin AirLJ20% on time

Flights LJ418 06:45 Tu We Th · LJ402 09:25 daily · LJ404 10:40 daily · LJ406 12:25 daily

T'way AirlinesTW14% on time

Flights TW842 09:40 Mo We Fr · TW836 11:05 daily · TW838 14:45 daily · TW844 18:00 Tu Th Sa Su

대한항공KE40% on time

Flights KE1704 07:20 daily · KE1708 09:10 Tu Th Sa · KE1712 12:15 daily · KE1722 14:50 daily

History

operated legs · board outcomes
10-167C212departed+33
10-167C214departed+21
10-16KE1704departed+10
10-16KE1712departed+37
10-16KE1722departed+55
10-16LJ402departed+40
10-16LJ404departed+18
10-16LJ406departed+31
10-16LJ408departed+38
10-16LJ418departed+7
10-16OZ8232departed+29
10-16OZ8234departed+23
10-16TW836departed+13
10-16TW838departed+27
10-16TW842departed+32
10-16ZE712departed+12
10-157C212departed+16
10-157C214departed+76
10-157C226departed+9
10-157C228departed+59
10-15KE1704departed+15
10-15KE1708departed+9
10-15KE1712departed+18
10-15KE1722departed+35
10-15LJ402departed+98
10-15LJ404departed+21
10-15LJ406departed+55
10-15LJ408departed+51
10-15LJ410departed+24
10-15LJ418departed+3
10-15LJ482departed+9
10-15OZ8232departed+28
10-15OZ8234departed+34
10-15OZ8238departed+18
10-15RF610departed+56
10-15RF614departed+15
10-15TW836departed+55
10-15TW838departed+50
10-15TW844departed+47
10-15TW850departed+21

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 +35 min heavy Full CJU delay board →
CJJCheongju tracking Full CJJ delay board →

How the Jeju City to Cheongju route actually runs

Pro Flight Search records official board updates for nonstop CJU to CJJ 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 Cheongju (CJJ) route reliability, measured from operated flights on official airport boards.

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

CJU to CJJ questions

Is CJU–CJJ running on time right now?

Some delays possible. The departure side at CJU is the weaker end, route health score 54/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on CJU–CJJ?

Operators schedule morning departures around 06:45 and evening departures around 17:10 from CJU. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CJJ delay card to confirm conditions when you'd arrive.

How long is the flight from CJU to CJJ?

Great-circle distance is 368 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 56–62 min gate-to-gate on this route.

How often does CJU–CJJ fly?

7 carriers operate this route, around 177 flights a week between them. Compare carrier days and times in the airline list above.