CJU → CJJJeju City to Cheongju

live

Direct flights from Jeju City (CJU) to Cheongju (CJJ): 49 nonstop departures observed each week across 7 airlines. 40% of the last 47 operated flights arrived within 15 minutes of schedule. The median arrival is 18 minutes late. No cancellations were recorded across the 47 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 27 October 2026 at 21:49 UTC.

Today, CJU → CJJ

Wed 28 Oct · local times
  1. 06:30 LJ7492진에어 Left 06:41 +11 ·
  2. 07:20 KE1702대한항공 On scheduleGate 1 ·
  3. 08:10 OZ8230아시아나항공 On scheduleGate 11 ·
  4. 08:40 ZE712이스타항공 On scheduleGate 3 ·
  5. 08:45 LJ7482진에어 On scheduleGate 1 ·
  6. 09:35 7C214제주항공 On scheduleGate 3 ·
  7. 10:05 LJ7484진에어 On scheduleGate 7 ·
  8. 10:50 TW842트리니티항공 On scheduleGate 2 ·
  9. 10:55 TW832트리니티항공 On scheduleGate 3A ·
  10. 11:15 KE1716대한항공 On scheduleGate 7 ·
  11. 11:45 OZ8232아시아나항공 On scheduleGate 11 ·
  12. 14:05 LJ7486진에어 On scheduleGate 5 ·
  13. 14:30 TW844트리니티항공 On scheduleGate 3 ·
  14. 14:35 KE1722대한항공 On scheduleGate 5 ·
  15. 14:55 TW834트리니티항공 On scheduleGate 4 ·
  16. 16:05 LJ7490진에어 On scheduleGate 1A ·
  17. 16:10 TW862트리니티항공 On scheduleGate 4 ·
  18. 16:20 RF610에어로케이 On scheduleGate 3A ·
  19. 16:25 KE1726대한항공 On scheduleGate 5 ·
  20. 17:30 7C228제주항공 On scheduleGate 6 ·
  21. 18:00 OZ8234아시아나항공 On scheduleGate 7 ·
  22. 18:15 TW846트리니티항공 On scheduleGate 9 ·
  23. 19:05 TW836트리니티항공 Sched 19:05Departure not confirmed by the board ·
  24. 19:15 OZ8236아시아나항공 Sched 19:15Departure not confirmed by the board ·
  25. 20:30 ZE718이스타항공 Sched 20:30Departure not confirmed by the board ·
  26. 20:35 RF614에어로케이 Sched 20:35Departure not confirmed by the board ·
  27. 21:45 ZE716이스타항공 Sched 21:45Departure not confirmed by the board ·
  28. 22:00 TW838트리니티항공 Sched 22:00Departure not confirmed by the board ·
  29. 22:10 KE1752대한항공 Sched 22:10Departure not confirmed by the board ·

Checked CJU board 06:22

CJU Jeju City smooth · +13
CJJ Cheongju tracking
368 km · ~0h 58m est.
dep bank 06:35–22:1049x weekly
Runs rough · 7 airlines · 49x weekly · nonstop
40% on time

of the last 47 operated CJU → CJJ flights arrived within 15 minutes

Median arrival delay is +18 min. 0 of 47 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+18 minacross the last 47 operated legs
Flight time~0h 58mestimated from route distance
Weekly departures49x7 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 47

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 AirlinesOZ25% on time

Flights OZ8232 11:10 daily · OZ8234 15:10 daily · OZ8238 19:00 daily · OZ8236 varies Mo Tu We Su

Coyne Airways7C

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

Eastar JetZE

Flights ZE712 07:50 daily · ZE718 varies Mo Tu We Su · ZE716 21:25 daily

Jin AirLJ55% on time

Flights LJ7492 varies Mo Tu We Su · LJ418 06:45 daily · LJ7482 08:45 Mo Tu Su · LJ402 09:25 daily

T'way AirlinesTW14% on time

Flights TW842 09:40 Mo We Fr · TW832 10:55 Mo Tu Su · TW836 11:05 daily · TW838 14:45 daily

대한항공KE50% on time

Flights KE1702 07:20 Mo Tu Su · KE1704 07:20 daily · KE1708 09:10 Tu Th Sa · KE1716 11:15 Mo Tu Su

History

operated legs · board outcomes
10-28LJ7492departed+11
10-277C214departed+3
10-277C228departed+21
10-27KE1702departed+12
10-27KE1716departed+28
10-27KE1722departed+15
10-27KE1726departed+47
10-27KE1752departed+11
10-27LJ7482departed+10
10-27LJ7484departed+14
10-27LJ7486departed+15
10-27LJ7490departed+26
10-27LJ7492departed+11
10-27OZ8230departed+16
10-27OZ8232departed+20
10-27OZ8234departed+3
10-27OZ8236departed+10
10-27RF610departed+26
10-27RF614departed+11
10-27TW832departed+41
10-27TW834departed+23
10-27TW836departed+31
10-27TW838departed+14
10-27TW846departed+62
10-27TW862departed+28
10-27ZE712departed+9
10-27ZE716departed+27
10-27ZE718departed+62
10-267C214departed+32
10-267C228departed+23
10-26KE1702departed+17
10-26KE1716departed+79
10-26KE1722departed+15
10-26KE1726departed+24
10-26KE1752departed+10
10-26LJ7482departed+43
10-26LJ7484departed+40
10-26LJ7486departed+23
10-26LJ7490departed+52
10-26LJ7492departed+12

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 +13 min smooth 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?

Smooth skies ahead. The departure side at CJU is the weaker end, route health score 82/100. 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 233 flights a week between them. Compare carrier days and times in the airline list above.