ICN → UBNSeoul to Ulaanbaatar

live

Direct flights from Seoul (ICN) to Ulaanbaatar (UBN): 22 nonstop departures observed each week across 5 airlines. 35% of the last 31 operated flights arrived within 15 minutes of schedule. The median arrival is 21 minutes late. No cancellations were recorded across the 31 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 18 October 2026 at 21:34 UTC.

Today, ICN → UBN

Mon 19 Oct · local times
OM308MONGOLIAN AIRLINESIn the air, 15 min late

Left ICN at 00:20, 15 min after its 00:05 slot.

Track OM308 →
  1. 00:05 OM308MONGOLIAN AIRLINES Left 00:20 +15 ·
  2. 08:35 KE2041KOREAN AIRLINES On scheduleGate 248 · T2 ·
  3. 14:20 OM302MONGOLIAN AIRLINES On scheduleGate 37 · T1 ·
  4. 17:35 M0602Aero Mongolia On scheduleGate 36 · T1 ·
  5. 20:20 OZ567ASIANA AIRLINES Sched 20:20Departure not confirmed by the board ·

Checked ICN board 06:34

ICN Seoul smooth · +11
UBN Ulaanbaatar tracking
1,957 km · ~3h 01m est.
dep bank 00:05–20:2022x weekly
Runs rough · 5 airlines · 22x weekly · nonstop
35% on time

of the last 31 operated ICN → UBN flights arrived within 15 minutes

Median arrival delay is +21 min. 0 of 31 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+21 minacross the last 31 operated legs
Flight time~3h 01mestimated from route distance
Weekly departures22x5 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 31

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Aero MongoliaAsiana AirlinesJeju AirKOREAN 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
Aero MongoliaM0

Flights M0602 varies Mo We Sa

Asiana AirlinesOZ

Flights OZ567 20:20 Mo We Sa

Jeju Air7C

Flights 7C5203 10:00 Tu Th Su

KOREAN AIRLINESKE14% on time

Flights KE2041 08:35 Mo We Th Fr Sa Su

MONGOLIAN AIRLINESOM57% on time

Flights OM308 00:05 Mo Tu We Sa Su · OM302 14:20 daily

History

operated legs · board outcomes
10-19OM308departed+15
10-187C5203departed+40
10-18KE2041departed+27
10-18OM302departed+145
10-18OM308departed+9
10-17KE2041departed+21
10-17M0602departed+31
10-17OM302departed+14
10-17OM308departed+0
10-17OZ567departed+46
10-16KE2041departed+14
10-16OM302departed+20
10-157C5203departed+21
10-15KE2041departed+21
10-15OM302departed+27
10-14KE2041departed+34
10-14M0602departed+8
10-14OM302departed+28
10-14OZ567departed+36
10-137C5203departed+38
10-13OM302departed+34
10-13OM308departed+0
10-12KE2041departed+34
10-12M0602departed+7
10-12OM302departed+23
10-12OM308departed−3
10-12OZ567departed+28
10-117C5203departed+24
10-11KE2041departed+18
10-11OM302departed+14
10-11OM308departed+6

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 →
UBNUlaanbaatar tracking Full UBN delay board →

How the Seoul to Ulaanbaatar route actually runs

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.

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 Ulaanbaatar (UBN) route reliability, measured from operated flights on official airport boards.

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

ICN to UBN questions

Is ICN–UBN running on time right now?

Smooth skies ahead. The departure side at ICN is the weaker end, route health score 84/100. 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 27 flights a week between them. Compare carrier days and times in the airline list above.