All airlines flying from Ulaanbaatar (UBN) to Beijing Capital (PEK).

FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Wed,Sat 08:15 Ulaanbaatar (UBN) 10:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 (737) 2:15 Valid until 2026-01-07 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Sat 08:15 Ulaanbaatar (UBN) 10:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-01-10 through 2026-01-17 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Mon,Wed 08:15 Ulaanbaatar (UBN) 10:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 (737) 2:15 Effective 2026-01-12 through 2026-01-21 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Mon,Wed,Sat 08:15 Ulaanbaatar (UBN) 10:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 (737) 2:15 Effective 2026-01-24 through 2026-02-16 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Mon,Sat 08:15 Ulaanbaatar (UBN) 10:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 (737) 2:15 Effective 2026-02-23 through 2026-03-16 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Wed 08:15 Ulaanbaatar (UBN) 10:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737-700 (73G) 2:15 Effective 2026-02-25 through 2026-03-11 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Mon,Wed,Sat 08:15 Ulaanbaatar (UBN) 10:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 (737) 2:15 Effective 2026-03-18 through 2026-03-28 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Fri,Sun 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 (737) 2:15 Valid until 2026-01-09 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Tue 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737-700 (73G) 2:15 Valid until 2026-01-06 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Fri,Sun 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737-700 (73G) 2:15 Effective 2026-01-11 through 2026-01-16 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Tue,Sun 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 (737) 2:15 Effective 2026-01-13 through 2026-01-18 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Tue 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737-700 (73G) 2:15 Effective 2026-01-20 through 2026-01-27 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Fri 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737-800 (73H) 2:15 Operates only on 2026-01-23 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Sun 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 (737) 2:15 Effective 2026-01-25 through 2026-02-01 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Fri 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737-700 (73G) 2:15 Operates only on 2026-01-30 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Tue 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2026-02-03 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Fri,Sun 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 (737) 2:15 Effective 2026-02-06 through 2026-02-15 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Tue 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 787 (787) 2:15 Operates only on 2026-02-10 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Sun 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 (737) 2:15 Effective 2026-02-22 through 2026-03-01 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Tue 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 787 (787) 2:15 Operates only on 2026-02-24 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Fri 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737-700 (73G) 2:15 Operates only on 2026-02-27 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Tue 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-03-03 through 2026-03-10 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Fri,Sun 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 (737) 2:15 Effective 2026-03-06 through 2026-03-08 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Tue,Fri 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737-700 (73G) 2:15 Effective 2026-03-13 through 2026-03-17 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Fri,Sun 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737 (737) 2:15 Effective 2026-03-15 through 2026-03-27 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Tue 17:15 Ulaanbaatar (UBN) 19:30 Beijing Capital (PEK) 3 Air China CA 5051 Non-stop Boeing 737-700 (73G) 2:15 Operates only on 2026-03-24 Codeshare flight, operated by Miat Mongolian Airlines.(OM 223)
Daily 11:40 Ulaanbaatar (UBN) 13:55 Beijing Capital (PEK) 3 Miat Mongolian Airlines OM 5223 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Codeshare flight, operated by Air China.(CA 902)
Mon,Wed,Fri 16:10 Ulaanbaatar (UBN) 18:15 Beijing Capital (PEK) 3 Miat Mongolian Airlines OM 5227 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Codeshare flight, operated by Air China.(CA 956)

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An international route departing from Ulaanbaatar airport, Mongolia (UBN) and arriving at Beijing Capital airport, China (PEK).
The flight distance is 713 miles, or 1148 km.
The timezone of both the departure and the arrival airports is UTC+8 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 2:00 and 2:25.

Return (PEK-UBN) flights

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All airlines flying from Ulaanbaatar (UBN) to Beijing Capital (PEK).

FLIGHT SCHEDULE

Direct Codeshare Flights:

Air China CA5051

08:15

Ulaanbaatar (UBN)

10:30

Beijing Capital (PEK) 3

Valid until 2026-01-07

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Air China CA5051

08:15

Ulaanbaatar (UBN)

10:30

Beijing Capital (PEK) 3

Effective 2026-01-10 through 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

Air China CA5051

08:15

Ulaanbaatar (UBN)

10:30

Beijing Capital (PEK) 3

Effective 2026-01-12 through 2026-01-21

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Air China CA5051

08:15

Ulaanbaatar (UBN)

10:30

Beijing Capital (PEK) 3

Effective 2026-01-24 through 2026-02-16

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Air China CA5051

08:15

Ulaanbaatar (UBN)

10:30

Beijing Capital (PEK) 3

Effective 2026-02-23 through 2026-03-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Air China CA5051

08:15

Ulaanbaatar (UBN)

10:30

Beijing Capital (PEK) 3

Effective 2026-02-25 through 2026-03-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air China CA5051

08:15

Ulaanbaatar (UBN)

10:30

Beijing Capital (PEK) 3

Effective 2026-03-18 through 2026-03-28

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Valid until 2026-01-09

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Valid until 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Effective 2026-01-11 through 2026-01-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Effective 2026-01-13 through 2026-01-18

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Effective 2026-01-20 through 2026-01-27

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Operates only on 2026-01-23

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Effective 2026-01-25 through 2026-02-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Operates only on 2026-01-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Operates only on 2026-02-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Effective 2026-02-06 through 2026-02-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Operates only on 2026-02-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 787 (787)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Effective 2026-02-22 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Operates only on 2026-02-24

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 787 (787)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Operates only on 2026-02-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Effective 2026-03-03 through 2026-03-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Effective 2026-03-06 through 2026-03-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Effective 2026-03-13 through 2026-03-17

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Effective 2026-03-15 through 2026-03-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737 (737)

Direct Codeshare Flights:

Air China CA5051

17:15

Ulaanbaatar (UBN)

19:30

Beijing Capital (PEK) 3

Operates only on 2026-03-24

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Miat Mongolian Airlines. (OM 223)

Duration: 2:15, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Miat Mongolian Airlines OM5223

11:40

Ulaanbaatar (UBN)

13:55

Beijing Capital (PEK) 3

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Air China.(CA 902)

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

Miat Mongolian Airlines OM5227

16:10

Ulaanbaatar (UBN)

18:15

Beijing Capital (PEK) 3

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Air China.(CA 956)

Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)

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An international route departing from Ulaanbaatar airport, Mongolia (UBN) and arriving at Beijing Capital airport, China (PEK).
The flight distance is 713 miles, or 1148 km.
The timezone of both the departure and the arrival airports is UTC+8 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 2:00 and 2:25.

Return (PEK-UBN) flights

Feedback - Disclaimer - Privacy