LJ404 Jeju CityCJU · 10:40 CheongjuCJJ
LJ404 by Jin Air flies from Jeju City (CJU) to Cheongju (CJJ) for the Sun, Sep 20 departure.
en route from CJU to CJJ
board checked 1m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 11:16.
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operation0 cancelled · 15 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Jeju City to Cheongju flights today
same route · Jin AirIf LJ404 is cancelled, these are the other Jin Air nonstop flights from Jeju City to Cheongju on the same day, with scheduled departure times in CJU local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How LJ404 actually runs
Pro Flight Search has tracked every published board update for LJ404 across the CJU and CJJ boards: schedule changes, gate pushes and actual clocks. Usually departs ~26 min late. Based on 14 confirmed departures · 0/14 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how LJ404 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as CJU and CJJ published them.
Planning around LJ404? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — LJ404 Jeju City to Cheongju on-time performance, measured from the CJU and CJJ airport boards.
https://proflightsearch.com/flight/LJ404
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