KE78 TorontoYYZ · 12:30 SeoulICN · 16:30
KE78 by Korean Air flies from Toronto (YYZ) to Seoul (ICN) for the Sun, Sep 13 departure.
en route from YYZ to ICN
board checked 17m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 12:40 · typical taxi-out at YYZ ≈ 10.9 min. No receiver coverage over open ocean.
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 −9 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at YYZ and ICN 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 Toronto to Seoul flights today
same route · Korean AirIf KE78 is cancelled, this is the other Korean Air nonstop flight from Toronto to Seoul on the same day, with scheduled departure times in YYZ local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How KE78 actually runs
Pro Flight Search has tracked every published board update for KE78 across the YYZ and ICN boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min early. Based on 13 confirmed landings · 13/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how KE78 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: HL8597, HL8746, HL8598, HL7782.
Board clocks recorded as YYZ and ICN published them.
Planning around KE78? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — KE78 Toronto to Seoul on-time performance, measured from the YYZ and ICN airport boards.
https://proflightsearch.com/flight/KE78