LJ6403 SeoulGMP · 08:05 Jeju CityCJU · 09:20
LJ6403 by Jin Air flies from Seoul (GMP) to Jeju City (CJU) for the Mon, Oct 26 departure.
departs GMP · on schedule
board checked 42m ago · checking again in 45s
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Seoul to Jeju City flights today
same route · Jin AirIf LJ6403 is cancelled, these are the other Jin Air nonstop flights from Seoul to Jeju City on the same day, with scheduled departure times in GMP local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How LJ6403 actually runs
Pro Flight Search has tracked every published board update for LJ6403 across the GMP and CJU boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left a little late (~13 min) but landed about 7 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how LJ6403 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 GMP and CJU published them.
Planning around LJ6403? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — LJ6403 Seoul to Jeju City on-time performance, measured from the GMP and CJU airport boards.
https://proflightsearch.com/flight/LJ6403
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