KE852 BeijingPEK · 18:30 SeoulICN · 21:40
KE852 by KE flies from Beijing (PEK) to Seoul (ICN) for the Thu, Sep 17 departure.
departs PEK · on schedule
board checked 44m ago · checking again in 45s
⚖ KE852 typically leaves +15 and lands −29. 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 −29 min · 0 cancelled · 10 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Early read, sample still buildingDriven mainly by PEK (Beijing), currently flying IFR (instrument). 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 Beijing to Seoul flights today
same route · KEIf KE852 is cancelled, these are the other KE nonstop flights from Beijing to Seoul on the same day, with scheduled departure times in PEK local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How KE852 actually runs
Pro Flight Search has tracked every published board update for KE852 across the PEK and ICN boards: schedule changes, gate pushes and actual clocks. Usually lands ~29 min early. Based on 10 confirmed landings · 10/10 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 KE852 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 PEK and ICN published them.
Planning around KE852? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — KE852 Beijing to Seoul on-time performance, measured from the PEK and ICN airport boards.
https://proflightsearch.com/flight/KE852