KE78Korean Air · YYZ → ICN
live · 17m ago
Route confirmed Korean Air

KE78 TorontoYYZ · 12:30 SeoulICN · 16:30

KE78 by Korean Air flies from Toronto (YYZ) to Seoul (ICN) for the Sun, Sep 13 departure.

Right nowEn route to Seoul · off blocks 12:40 · 10 min late
En route

en route from YYZ to ICN

En routeKE78 · position estimated
YYZTorontoICNSeoul
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 12:40 · typical taxi-out at YYZ ≈ 10.9 min. No receiver coverage over open ocean.

⚖ KE78 typically leaves +18 and lands −9. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-14
+18 gate · +10 arrival
09-13
+10 gate · −15 arrival
09-12
+15 gate · −18 arrival
09-11
+20 gate · +0 arrival
09-10
+24 gate · +3 arrival
09-09
+14 gate · −8 arrival
09-08
+12 gate · −20 arrival

The 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 operation

median arrival −9 min · 0 cancelled · 15 operations tracked

The route today

live boards
YYZTorontoOn-time likelyYYZ delay board →
ICNSeoulOn-time likelyICN delay board →
YYZ→ICNevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
33%Chance of 15+ min delay
4.1%Chance of cancellation
+12 minAvg hub delay right now

Conditions 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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Toronto to Seoul flights today

same route · Korean Air
KE6571departs 08:15

If 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.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-14YYZ 12:30 12:48 (+18)ICN 16:30 16:40 (+10)
09-13YYZ 12:30 12:40 (+10)ICN 16:30 16:15 (−15)
09-12YYZ 12:30 12:45 (+15)ICN 16:30 16:12 (−18)
09-11YYZ 12:30 12:50 (+20)ICN 16:30 (+0)
09-10YYZ 12:30 12:54 (+24)ICN 16:30 16:33 (+3)
09-09YYZ 12:30 12:44 (+14)ICN 16:30 16:22 (−8)
09-08YYZ 12:30 12:42 (+12)ICN 16:30 16:10 (−20)
09-07YYZ 12:30 12:48 (+18)ICN 16:30 16:05 (−25)
09-06YYZ 12:30 11:30 (−60)ICN 16:30 16:40 (+10)
09-05YYZ 12:30 12:47 (+17)ICN 16:30 16:02 (−28)
09-04YYZ 12:30 12:49 (+19)ICN 16:30 16:06 (−24)
09-03YYZ 12:30 12:49 (+19)ICN 16:30 16:21 (−9)
09-02YYZ 12:30 12:42 (+12)ICN 16:30 16:07 (−23)
09-01YYZ 12:30 13:32 (+62)ICN 16:30 16:43 (+13)
08-31YYZ 12:55 13:13 (+18)ICN 16:30 17:12 (+42)

Aircraft

Recent tails: HL8597, HL8746, HL8598, HL7782.

Board clocks recorded as YYZ and ICN published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — KE78 Toronto to Seoul on-time performance, measured from the YYZ and ICN airport boards.

Canonical URL
https://proflightsearch.com/flight/KE78
How we measure this →