KE643 SeoulICN · 13:50 SingaporeSIN · 19:15
KE643 by KOREAN AIRLINES flies from Seoul (ICN) to Singapore (SIN) for the Wed, Sep 9 departure.
estimated arrival at SIN · local time · ~1h 47m from now
board checked 54m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 14:11 · typical taxi-out at ICN ≈ 5.2 min. No receiver coverage over open ocean.
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at ICN and SIN 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 Singapore flights today
same route · KOREAN AIRLINESIf KE643 is cancelled, these are the other KOREAN AIRLINES nonstop flights from Seoul to Singapore on the same day, with scheduled departure times in ICN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How KE643 actually runs
Pro Flight Search has tracked every published board update for KE643 across the ICN and SIN boards: schedule changes, gate pushes and actual clocks. Usually lands ~34 min early. Based on 3 confirmed landings · 3/3 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 KE643 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 ICN and SIN published them.
Planning around KE643? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — KE643 Seoul to Singapore on-time performance, measured from the ICN and SIN airport boards.
https://proflightsearch.com/flight/KE643
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