Asiana AirlinesOZ
Flights OZ552 17:30 Tu We Th Fr Sa
live
Direct flights from Istanbul (IST) to Seoul (ICN): 18 nonstop departures observed each week across 3 airlines. 60% of the last 10 operated flights arrived within 15 minutes of schedule. The median arrival is 15 minutes late. 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 Istanbul and Seoul. Updated 15 September 2026 at 08:20 UTC.
IST
Istanbul
smooth · +0
ICN
Seoul
smooth · +0
7,923 km · ~10h 39m est.
Runs mixed · 3 airlines · 18x weekly · nonstop
60% on time
of the last 10 operated IST → ICN flights arrived within 15 minutes
Median arrival delay is +15 min. 0 of 10 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+15 minacross the last 10 operated legs
Flight time~10h 39mestimated from route distance
Weekly departures18x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 10
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Asiana AirlinesKorean AirTurkish 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 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at IST and ICN: 19% odds of a 15+ minute delay and around +-5 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Istanbul to Seoul route actually runs
Pro Flight Search records official board updates for nonstop IST 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 — Istanbul (IST) to Seoul (ICN) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/IST-ICN
IST to ICN questions
Is IST–ICN running on time right now?
Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on IST–ICN?
Operators schedule morning departures around 01:50 and evening departures around 17:00 from IST. 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 IST to ICN?
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 IST–ICN fly?
3 carriers operate this route, around 22 flights a week between them. Compare carrier days and times in the airline list above.
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