CJJ → CJUCheongju to Jeju City

live

Direct flights from Cheongju (CJJ) to Jeju City (CJU): 49 nonstop departures observed each week across 7 airlines. 91% of the last 34 operated flights arrived within 15 minutes of schedule. The median arrival is 3 minutes early. No cancellations were recorded across the 34 tracked flights. The nonstop covers 368 km, an estimated 58 minutes in the air. Measured by Pro Flight Search from live flight boards at Cheongju and Jeju City. Updated 28 October 2026 at 01:22 UTC.

Today, CJJ → CJU

Wed 28 Oct · local times
  1. · 7C213제주항공 On schedule CJU 12:35scheduled
  2. · 7C227제주항공 On schedule CJU 20:25scheduled
  3. · KE1701대한항공 On schedule CJU est. 10:23sched 10:35
  4. · KE1709대한항공 On schedule CJU 14:25scheduled
  5. · KE1719대한항공 On schedule CJU 17:40scheduled
  6. · KE1723대한항공 On schedule CJU 19:30scheduled
  7. · KE1751대한항공 Departed Landed 08:29 −21
  8. · LJ7483진에어 On schedule CJU 12:05scheduled
  9. · LJ7485진에어 On schedule CJU 13:05scheduled
  10. · LJ7487진에어 On schedule CJU 17:20scheduled
  11. · LJ7489진에어 On schedule CJU 19:05scheduled
  12. · LJ7491진에어 Departed Landed 09:32 −13
  13. · OZ8231아시아나항공 On schedule CJU est. 11:02sched 11:10
  14. · OZ8233아시아나항공 On schedule CJU 14:50scheduled
  15. · OZ8235아시아나항공 On schedule CJU 21:00scheduled
  16. · OZ8237아시아나항공 On schedule CJU 22:05scheduled
  17. · RF609에어로케이 On schedule CJU 15:20scheduled
  18. · RF613에어로케이 On schedule CJU 19:45scheduled
  19. · TW831트리니티항공 On schedule CJU est. 10:31sched 10:45
  20. · TW833트리니티항공 On schedule CJU 14:00scheduled
  21. · TW835트리니티항공 On schedule CJU 18:00scheduled
  22. · TW837트리니티항공 On schedule CJU 21:25scheduled
  23. · TW841트리니티항공 Departed Landed 10:16 +6
  24. · TW843트리니티항공 On schedule CJU 13:50scheduled
  25. · TW845트리니티항공 On schedule CJU 17:30scheduled
  26. · TW863트리니티항공 On schedule CJU 19:10scheduled
  27. · ZE711이스타항공 Departed Landed 07:51 −9
  28. · ZE715이스타항공 On schedule CJU 20:45scheduled
  29. · ZE717이스타항공 Departed Landed 08:10 −10

Checked CJU board 10:22

CJJ Cheongju tracking
CJU Jeju City smooth · +0
368 km · ~0h 58m est.
dep bank 07:20–22:2049x weekly
Runs reliable · 7 airlines · 49x weekly · nonstop
91% on time

of the last 34 operated CJJ → CJU flights arrived within 15 minutes

Median arrival delay is −3 min. 0 of 34 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−3 minacross the last 34 operated legs
Flight time~0h 58mestimated from route distance
Weekly departures49x7 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 34

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 RF609 varies daily · RF613 19:50 daily

Asiana AirlinesOZ

Flights OZ8231 11:10 Mo Tu Su · OZ8233 14:05 daily · OZ8235 18:20 daily · OZ8237 varies Mo Tu We Su

Coyne Airways7C

Flights 7C211 11:05 daily · 7C213 12:25 daily · 7C225 20:10 daily · 7C227 20:25 daily

Eastar JetZE100% on time

Flights ZE717 08:35 Mo Tu We · ZE711 08:50 daily · ZE715 21:40 daily

Jin AirLJ83% on time

Flights LJ481 07:20 Mo Tu We Th Fr Sa · LJ7491 09:45 Mo Tu Su · LJ7483 12:30 Mo Tu We Su · LJ401 12:40 daily

T'way AirlinesTW86% on time

Flights TW841 09:05 Mo Tu We Fr Su · TW843 varies Mo Tu We Th Sa Su · TW835 varies daily · TW831 10:45 Mo Tu Su

대한항공KE83% on time

Flights KE1751 08:50 Mo Tu · KE1701 10:35 Mo Tu Su · KE1707 10:40 daily · KE1709 12:25 Mo Tu Th Sa Su

History

operated legs · board outcomes
10-28KE1751arrived−21
10-28LJ7491arrived−13
10-28TW841arrived+6
10-28ZE711arrived−9
10-28ZE717arrived−10
10-277C213arrived−18
10-277C227arrived+5
10-27KE1701arrived+2
10-27KE1709arrived+0
10-27KE1719arrived−7
10-27KE1723arrived+30
10-27KE1751arrived−22
10-27LJ7483arrived−3
10-27LJ7485arrived−8
10-27LJ7487arrived+21
10-27LJ7489arrived−1
10-27LJ7491arrived−15
10-27OZ8231arrived−3
10-27OZ8233arrived−3
10-27OZ8235arrived−8
10-27OZ8237arrived−11
10-27RF609arrived−9
10-27RF613arrived−22
10-27TW831arrived−4
10-27TW833arrived+9
10-27TW835arrived+16
10-27TW837arrived+12
10-27TW841arrived−16
10-27TW863arrived−14
10-27ZE711arrived+9
10-27ZE715arrived+0
10-27ZE717arrived−15
10-267C213arrived+12
10-267C227arrived+15

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
CJJCheongju tracking Full CJJ delay board →
CJUJeju City +0 min smooth Full CJU delay board →

How the Cheongju to Jeju City route actually runs

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

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

CJJ to CJU questions

Is CJJ–CJU running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

How long is the flight from CJJ to CJU?

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 CJJ–CJU fly?

7 carriers operate this route, around 237 flights a week between them. Compare carrier days and times in the airline list above.

What does the route health score measure?

A blend of departure-side delay at CJJ and arrival-side delay at CJU, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.