Direct flights from Seoul (ICN) to Ulaanbaatar (UBN): 27 nonstop departures observed each week across 5 airlines. 40% of the last 30 operated flights arrived within 15 minutes of schedule. The median arrival is 18 minutes late. No cancellations were recorded across the 30 tracked flights. The nonstop covers 1,957 km, an estimated 3 hours 1 minutes in the air. Measured by Pro Flight Search from live flight boards at Seoul and Ulaanbaatar. Updated 10 October 2026 at 07:53 UTC.
ICNSeoulbusy · +18
UBNUlaanbaatartracking
1,957 km · ~3h 01m est.
dep bank 00:05–20:2027x weekly
Runs rough · 5 airlines · 27x weekly · nonstop
40% on time
of the last 30 operated ICN → UBN flights arrived within 15 minutes
Pro Flight Search records official board updates for nonstop ICN to UBN 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.
Mostly on schedule. The departure side at ICN is the weaker end, route health score 76/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on ICN–UBN?
Operators schedule morning departures around 00:05 and evening departures around 20:20 from ICN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the UBN delay card to confirm conditions when you'd arrive.
How long is the flight from ICN to UBN?
Great-circle distance is 1,957 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 168–198 min gate-to-gate on this route.
How often does ICN–UBN fly?
5 carriers operate this route, around 33 flights a week between them. Compare carrier days and times in the airline list above.
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