KE1055 SeoulGMP · 09:10 Jeju CityCJU · 10:25
KE1055 by 대한항공 flies from Seoul (GMP) to Jeju City (CJU) for the Tue, Sep 8 departure.
arrived at CJU · 21 min late
⚖ KE1055 typically leaves +14 and lands −6. The air wins minutes back.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 operationmedian arrival −6 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at GMP and CJU are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When 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 · 대한항공If KE1055 is cancelled, these are the other 대한항공 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 KE1055 actually runs
Pro Flight Search has tracked every published board update for KE1055 across the GMP and CJU boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min early. Based on 14 confirmed landings · 12/14 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how KE1055 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 KE1055? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — KE1055 Seoul to Jeju City on-time performance, measured from the GMP and CJU airport boards.
https://proflightsearch.com/flight/KE1055
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