CTS → ICNSapporo to Seoul

live

Direct flights from Sapporo (CTS) to Seoul (ICN): 49 nonstop departures observed each week across 7 airlines. 92% of the last 26 operated flights arrived within 15 minutes of schedule. The median arrival is 7 minutes early. No cancellations were recorded across the 26 tracked flights. The nonstop covers 1,422 km, an estimated 2 hours 19 minutes in the air. Measured by Pro Flight Search from live flight boards at Sapporo and Seoul. Updated 16 October 2026 at 18:35 UTC.

Today, CTS → ICN

Sat 17 Oct · local times
  1. 11:00 7C1502JEJU AIR On schedule ICN 14:10scheduled
  2. 12:10 LJ302JIN AIR On schedule ICN est. 14:55sched 15:05
  3. 12:55 ZE626EASTARJET On schedule ICN 16:00scheduled
  4. 14:10 WE532PARATA AIR On schedule ICN 17:10scheduled
  5. 14:30 OZ173ASIANA AIRLINES On scheduleGate 64 ICN 17:45scheduled
  6. 14:30 TW264Trinity Airways On schedule ICN 17:40scheduled
  7. 14:50 KE766KOREAN AIRLINES On schedule ICN 17:55scheduled
  8. 16:00 7C1504JEJU AIR On schedule ICN 19:10scheduled
  9. 16:20 KE770KOREAN AIRLINES On schedule ICN 19:30scheduled

Checked CTS board 03:23 · ICN board 03:35

CTS Sapporo smooth · +5
ICN Seoul smooth · +0
1,422 km · ~2h 19m est.
dep bank 11:00–18:3049x weekly
Runs reliable · 7 airlines · 49x weekly · nonstop
92% on time

of the last 26 operated CTS → ICN flights arrived within 15 minutes

Median arrival delay is −7 min. 0 of 26 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−7 minacross the last 26 operated legs
Flight time~2h 19mestimated from route distance
Weekly departures49x7 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 26

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Asiana AirlinesCoyne AirwaysEastar Jet

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
KE83% on time

Flights KE766 14:50 daily · KE770 16:20 daily

Asiana AirlinesOZ

Flights OZ173 14:30 daily

Coyne Airways7C100% on time

Flights 7C1502 11:00 daily · 7C1504 16:00 daily

Eastar JetZE

Flights ZE626 12:55 daily · ZE628 18:30 daily

Jin AirLJ

Flights LJ302 12:10 daily

T'way AirlinesTW

Flights TW264 14:30 daily

Thai SmileWE

Flights WE532 14:10 daily

History

operated legs · board outcomes
10-167C1502dep +1 → arr−3
10-167C1504dep −11 → arr−16
10-16KE766dep +15 → arr−15
10-16KE770dep +15 → arr−10
10-16LJ302dep +4 → arr−7
10-16OZ173dep +12 → arr−23
10-16TW264dep +1 → arr−11
10-16WE532dep −6 → arr−9
10-16ZE626dep +4 → arr−2
10-157C1502dep −10 → arr−14
10-157C1504dep −9 → arr−8
10-15KE766dep +6 → arr−14
10-15KE770dep +11 → arr−10
10-15LJ302dep +10 → arr+7
10-15OZ173dep +10 → arr−11
10-15TW264dep −7 → arr−14
10-15WE532dep +4 → arr+9
10-15ZE626dep +4 → arr+11
10-147C1502departed−4
10-147C1504departed−9
10-14KE766departed+18
10-14KE770departed+5
10-14LJ302departed+21
10-14OZ173departed+6
10-14TW264departed−4
10-14WE532departed+0

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
CTSSapporo +5 min smooth 🌤 mostly cloudy · 2 kt Full CTS delay board →
ICNSeoul +0 min smooth Full ICN delay board →

How the Sapporo to Seoul route actually runs

Pro Flight Search records official board updates for nonstop CTS to ICN flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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 — Sapporo (CTS) to Seoul (ICN) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/CTS-ICN
How we measure this →

CTS to ICN questions

Is CTS–ICN running on time right now?

Smooth skies ahead. The departure side at CTS is the weaker end, route health score 95/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on CTS–ICN?

Operators schedule morning departures around 11:00 and evening departures around 18:30 from CTS. Earlier flights typically land before destination-airport delays accumulate later in the day; check the ICN delay card to confirm conditions when you'd arrive.

How long is the flight from CTS to ICN?

Great-circle distance is 1,422 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 130–152 min gate-to-gate on this route.

How often does CTS–ICN fly?

7 carriers operate this route, around 70 flights a week between them. Compare carrier days and times in the airline list above.