ICN → CTSSeoul to Sapporo

live

Direct flights from Seoul (ICN) to Sapporo (CTS): 49 nonstop departures observed each week across 7 airlines. 97% of the last 29 tracked flights arrived within 15 minutes of schedule. The median arrival is 16 minutes early. No cancellations were recorded across the 30 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 Seoul and Sapporo. Updated 28 October 2026 at 22:54 UTC.

Today, ICN → CTS

Thu 29 Oct · local times
  1. 07:40 ZE621EASTARJET Left 07:51 +11 CTS 10:20In the air · scheduled landing
  2. 08:30 LJ203JIN AIR On scheduleGate 210 · T2 CTS 11:15scheduled
  3. 09:10 ZE625EASTARJET On scheduleGate 126 · T1 CTS 11:40scheduled
  4. 10:05 KE765KOREAN AIRLINES On scheduleGate 253 · T2 CTS 12:50scheduled
  5. 10:20 TW263Trinity Airways On scheduleGate 16 · T1 CTS 13:10scheduled
  6. 12:25 7C1503JEJU AIR On scheduleGate 28 · T1 CTS 15:00scheduled
  7. 13:00 KE769KOREAN AIRLINES On scheduleGate 235 · T2 CTS 15:45scheduled
  8. 14:35 ZE623EASTARJET On scheduleGate 114 · T1 CTS 17:05scheduled

Checked ICN board 07:54 · CTS board 07:23

ICN Seoul smooth · +11
CTS Sapporo smooth · +9
1,422 km · ~2h 19m est.
dep bank 07:10–14:3549x weekly
Runs reliable · 7 airlines · 49x weekly · nonstop
97% on time

of the last 29 tracked ICN → CTS flights arrived within 15 minutes

Median arrival delay is −16 min. 0 of 30 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−16 minacross the last 29 arrivals
Flight time~2h 19mestimated from route distance
Weekly departures49x7 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 30

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Asiana AirlinesEastar JetJeju AirJin Air

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
Asiana AirlinesOZ

Flights OZ174 10:15 daily

Eastar JetZE100% on time

Flights ZE621 07:40 Mo Tu We Su · ZE625 09:20 daily · ZE623 14:35 Mo Tu We Su

Jeju Air7C

Flights 7C1501 07:10 daily · 7C1503 12:15 daily

Jin AirLJ

Flights LJ301 08:20 daily · LJ203 08:30 Mo Tu We Su

KOREAN AIRLINESKE100% on time

Flights KE765 10:35 daily · KE769 12:35 daily

PARATA AIRWE

Flights WE531 10:35 daily

Trinity AirwaysTW

Flights TW263 10:10 daily

History

operated legs · board outcomes
10-29ZE621departed+11
10-287C1503dep +8 → arr−18
10-28KE765dep +22 → arr−20
10-28KE769dep +14 → arr−27
10-28LJ203dep +17 → arr−30
10-28OZ174dep +16 → arr−19
10-28TW263dep +21 → arr−21
10-28WE531dep +18 → arr−8
10-28ZE621dep +13 → arr−17
10-28ZE623dep +32 → arr+14
10-28ZE625dep +8 → arr−10
10-277C1503dep +8 → arr−16
10-27KE765dep +33 → arr−7
10-27KE769dep +23 → arr−18
10-27LJ203dep +36 → arr−5
10-27OZ174dep +26 → arr−14
10-27TW263dep +15 → arr−25
10-27ZE621dep +9 → arr−20
10-27ZE623dep +16 → arr+2
10-27ZE625dep +7 → arr−9
10-267C1503dep +7 → arr−9
10-26KE765dep +19 → arr−25
10-26KE769dep +19 → arr−22
10-26LJ203arrived−6
10-26OZ174arrived+55
10-26TW263arrived−32
10-26WE531arrived−16
10-26ZE621arrived−12
10-26ZE623arrived−10
10-26ZE625arrived−3

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
ICNSeoul +11 min smooth Full ICN delay board →
CTSSapporo +9 min smooth 🌤 few clouds · ESE 3 kt Full CTS delay board →

How the Seoul to Sapporo route actually runs

Pro Flight Search records official board updates for nonstop ICN to CTS 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 — Seoul (ICN) to Sapporo (CTS) route reliability, measured from operated flights on official airport boards.

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

ICN to CTS questions

Is ICN–CTS running on time right now?

Smooth skies ahead. The departure side at ICN is the weaker end, route health score 85/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on ICN–CTS?

Operators schedule morning departures around 07:10 from ICN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CTS delay card to confirm conditions when you'd arrive.

How long is the flight from ICN to CTS?

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 ICN–CTS fly?

7 carriers operate this route, around 75 flights a week between them. Compare carrier days and times in the airline list above.