PEK → UBNBeijing to Ulaanbaatar

live

Direct flights from Beijing (PEK) to Ulaanbaatar (UBN): 14 nonstop departures observed each week across 2 airlines. 43% of the last 23 operated flights arrived within 15 minutes of schedule. The median arrival is 16 minutes late. 3 of the 23 tracked flights were cancelled. The nonstop covers 1,149 km, an estimated 1 hour 58 minutes in the air. Measured by Pro Flight Search from live flight boards at Beijing and Ulaanbaatar. Updated 9 September 2026 at 23:24 UTC.

PEK Beijing smooth · +6
UBN Ulaanbaatar tracking
1,149 km · ~1h 58m est.
dep bank 08:45–21:1014x weekly
Runs rough · 2 airlines · 14x weekly · nonstop
43% on time

of the last 23 operated PEK → UBN flights arrived within 15 minutes

Median arrival delay is +16 min. 3 of 23 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+16 minacross the last 23 operated legs
Flight time~1h 58mestimated from route distance
Weekly departures14x2 direct airlines on the leg
Cancelled13.0%recent route rate · 3 of 23

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Dalian AirlinesMIAT Mongolian 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
Dalian AirlinesCA33% on time

Flights CA901 08:45 daily · CA955 13:00 Mo We Th Fr Sa Su · CA723 15:00 daily

MIAT Mongolian AirlinesOM63% on time

Flights OM224 21:10 daily

History

operated legs · board outcomes
09-10OM228cancelledCNX
09-09CA723departed+25
09-09CA901departed+12
09-09CA955departed+26
09-09OM224departed+11
09-08CA723departed+29
09-08CA901departed+71
09-08OM224departed+8
09-08OM228cancelledCNX
09-07CA723departed+13
09-07CA901departed+28
09-07CA955departed+84
09-07OM224departed+6
09-06CA723departed+26
09-06CA901departed+12
09-06OM224departed+9
09-06OM228cancelledCNX
09-05CA723departed+13
09-05CA901departed+9
09-05CA955departed+24
09-05OM224departed+4
09-04CA723departed+16
09-04CA901departed+32

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
PEKBeijing +6 min smooth Full PEK delay board →
UBNUlaanbaatar tracking Full UBN delay board →

How the Beijing to Ulaanbaatar route actually runs

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

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

PEK to UBN questions

Is PEK–UBN running on time right now?

Smooth skies ahead. The departure side at PEK is the weaker end, route health score 90/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on PEK–UBN?

Operators schedule morning departures around 08:45 and evening departures around 21:10 from PEK. 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 PEK to UBN?

Great-circle distance is 1,149 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 111–128 min gate-to-gate on this route.

How often does PEK–UBN fly?

2 carriers operate this route, around 27 flights a week between them. Compare carrier days and times in the airline list above.