ICN → ISTSeoul to Istanbul

live

Direct flights from Seoul (ICN) to Istanbul (IST): 17 nonstop departures observed each week across 3 airlines. 70% of the last 10 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 10 tracked flights. The nonstop covers 7,923 km, an estimated 10 hours 39 minutes in the air. Measured by Pro Flight Search from live flight boards at Seoul and Istanbul. Updated 25 October 2026 at 15:52 UTC.

Today, ICN → IST

Mon 26 Oct · local times
  1. 00:05 TK91TURKISH AIRLINES Left 00:04 ·
  2. 10:40 TK21TURKISH AIRLINES On scheduleGate 40 · T1 ·
  3. 13:55 KE955KOREAN AIRLINES Sched 13:55Departure not confirmed by the board ·

Checked ICN board 00:52 · IST board 18:47

ICN Seoul busy · +15
IST Istanbul smooth · +0
7,923 km · ~10h 39m est.
dep bank 10:15–23:2017x weekly
Runs mixed · 3 airlines · 17x weekly · nonstop
70% on time

of the last 10 operated ICN → IST flights arrived within 15 minutes

Median arrival delay is +0 min. 0 of 10 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+0 minacross the last 10 operated legs
Flight time~10h 39mestimated from route distance
Weekly departures17x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 10

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Asiana AirlinesKOREAN AIRLINESTurkish Airlines

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 OZ551 10:25 Tu We Th Fr Sa

KOREAN AIRLINESKE

Flights KE955 13:40 Mo We Fr Sa Su

Turkish AirlinesTK80% on time

Flights TK21 10:15 Mo We Fr Sa · TK91 23:20 daily

History

operated legs · board outcomes
10-26TK91departed−1
10-25KE955dep +20 → arr−50
10-24KE955dep +107 → arr+45
10-24OZ551dep +24 → arr+0
10-24TK21dep +22 → arr+0
10-24TK91dep −7 → arr−50
10-23KE955dep +43 → arr+0
10-23OZ551departed+44
10-23TK21departed+42
10-23TK91dep +5 → arr−30

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 +15 min busy Full ICN delay board →
ISTIstanbul +0 min smooth 🌫 mostly cloudy · NE 11 kt Full IST delay board →

How the Seoul to Istanbul route actually runs

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

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

ICN to IST questions

Is ICN–IST running on time right now?

Smooth skies ahead. The departure side at ICN is the weaker end, route health score 86/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on ICN–IST?

Operators schedule morning departures around 10:15 and evening departures around 23:20 from ICN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the IST delay card to confirm conditions when you'd arrive.

How long is the flight from ICN to IST?

Great-circle distance is 7,923 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 589–709 min gate-to-gate on this route.

How often does ICN–IST fly?

3 carriers operate this route, around 21 flights a week between them. Compare carrier days and times in the airline list above.