NRT → UBNTokyo to Ulaanbaatar

live

Direct flights from Tokyo (NRT) to Ulaanbaatar (UBN): 12 nonstop departures observed each week across 3 airlines. 0% of the last 15 operated flights arrived within 15 minutes of schedule. The median arrival is 33 minutes late. 1 of the 15 tracked flights was cancelled. The nonstop covers 3,052 km, an estimated 4 hours 25 minutes in the air. Measured by Pro Flight Search from live flight boards at Tokyo and Ulaanbaatar. Updated 17 September 2026 at 13:03 UTC.

NRT Tokyo smooth · +4
UBN Ulaanbaatar tracking
3,052 km · ~4h 25m est.
dep bank 14:40–16:3012x weekly
Runs rough · 3 airlines · 12x weekly · nonstop
0% on time

of the last 15 operated NRT → UBN flights arrived within 15 minutes

Median arrival delay is +33 min. 1 of 15 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+33 minacross the last 15 operated legs
Flight time~4h 25mestimated from route distance
Weekly departures12x3 direct airlines on the leg
Cancelled6.7%recent route rate · 1 of 15

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Aero MongoliaMiat - MongolianUnited 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 M0902 15:30 Tu Fr

Miat - MongolianOM0% on time

Flights OM502 14:40 daily

United AirlinesUA

Flights UA7 16:30 Tu Th Su

History

operated legs · board outcomes
09-17OM502departed+45
09-17UA7departed+88
09-16OM502departed+47
09-15M0902departed+21
09-15OM502departed+44
09-15UA7departed+34
09-14OM502departed+30
09-13M0902cancelledCNX
09-13OM502departed+24
09-13UA7departed+18
09-12OM502departed+24
09-11M0902departed+27
09-11OM502departed+33
09-10OM502departed+43
09-10UA7departed+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
NRTTokyo +4 min smooth ⛅ mostly cloudy · N 12 kt Full NRT delay board →
UBNUlaanbaatar tracking Full UBN delay board →

How the Tokyo to Ulaanbaatar route actually runs

Pro Flight Search records official board updates for nonstop NRT 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 — Tokyo (NRT) to Ulaanbaatar (UBN) route reliability, measured from operated flights on official airport boards.

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

NRT to UBN questions

Is NRT–UBN running on time right now?

Smooth skies ahead. The departure side at NRT is the weaker end, route health score 92/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on NRT–UBN?

Operators schedule 3 departures from NRT. 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 NRT to UBN?

Great-circle distance is 3,052 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 245–292 min gate-to-gate on this route.

How often does NRT–UBN fly?

3 carriers operate this route, around 12 flights a week between them. Compare carrier days and times in the airline list above.