KE770KE · CTS → ICN
live · 31m ago
Route confirmed KE

KE770 SapporoCTS · 16:20 SeoulICN · 19:30

KE770 by KE flies from Sapporo (CTS) to Seoul (ICN) for the Thu, Sep 17 departure.

Right nowExpected in Seoul · today
19:30

arrival expected at ICN · on schedule

⚖ KE770 typically leaves +16 and lands −21. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-17
+22 gate
09-16
+15 gate · −21 arrival
09-15
+13 gate · −15 arrival
09-14
+16 gate · −16 arrival
09-13
+10 gate · −28 arrival
09-12
+12 gate · −27 arrival
09-11
+19 gate · −7 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 −21 min · 0 cancelled · 16 operations tracked

The route today

live boards
CTSSapporoOn-time likelyCTS delay board →
ICNSeoulOn-time likelyICN delay board →
CTS→ICNevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
25%Chance of 15+ min delay
1.3%Chance of cancellation
+1 minAvg hub delay right now

Conditions at CTS 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 Sapporo to Seoul flights today

same route · KE
KE766departs 14:50
KE772departs 20:50

If KE770 is cancelled, these are the other KE nonstop flights from Sapporo to Seoul on the same day, with scheduled departure times in CTS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How KE770 actually runs

Pro Flight Search has tracked every published board update for KE770 across the CTS and ICN boards: schedule changes, gate pushes and actual clocks. Usually lands ~21 min early. Based on 13 confirmed landings · 13/13 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 KE770 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-17CTS 16:20 16:42 (+22)ICN 19:30
09-16CTS 16:20 16:35 (+15)ICN 19:30 19:09 (−21)
09-15CTS 16:20 16:33 (+13)ICN 19:30 19:15 (−15)
09-14CTS 16:20 16:36 (+16)ICN 19:30 19:14 (−16)
09-13CTS 16:20 16:30 (+10)ICN 19:30 19:02 (−28)
09-12CTS 16:20 16:32 (+12)ICN 19:30 19:03 (−27)
09-11CTS 16:20 16:39 (+19)ICN 19:30 19:23 (−7)
09-10CTS 16:20 16:42 (+22)ICN 19:30 19:16 (−14)
09-09CTS 16:20 16:53 (+33)ICN 19:30 19:29 (−1)
09-08CTS 16:20 16:35 (+15)ICN 19:30 18:58 (−32)
09-07CTS 16:20 16:32 (+12)ICN 19:30 19:05 (−25)
09-06CTS 16:20 16:41 (+21)ICN 19:30 19:00 (−30)
09-05CTS 16:20 16:34 (+14)ICN 19:30 19:00 (−30)
09-04CTS 16:20 16:40 (+20)ICN 19:30 19:19 (−11)
09-03CTS 16:20 16:32 (+12)ICN 19:30 19:01 (−29)
09-02CTS 16:20 16:36 (+16)ICN 19:30 19:10 (−20)

Board clocks recorded as CTS 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 — KE770 Sapporo to Seoul on-time performance, measured from the CTS and ICN airport boards.

Canonical URL
https://proflightsearch.com/flight/KE770
How we measure this →