Korean Air
flight
KE 5840:
Ulaanbaatar - Seoul Incheon
Ulaanbaatar - Seoul Incheon
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Korean Air KE5840
Effective 2025-06-01 through 2025-06-08
Mon
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Fri
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Sun
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-06-02 through 2025-06-21
Mon
Tue
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Wed
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Thu
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Fri
Sat
Sun
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Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 767-300 (763)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-06-03 through 2025-06-19
Mon
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Tue
Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 787 (787)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-06-04 through 2025-06-18
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Korean Air KE5840
Operates only on 2025-06-15
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Korean Air KE5840
Operates only on 2025-06-22
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-06-23 through 2025-06-30
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 737 (737)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-06-24 through 2025-06-28
Mon
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Tue
Wed
Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-06-26 through 2025-07-03
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-06-27 through 2025-07-04
Mon
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Tue
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Wed
Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 767-300 (763)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-07-01 through 2025-07-22
Mon
-
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 737 (737)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-07-05 through 2025-09-03
Mon
-
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Tue
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Wed
Thu
-
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Fri
Sat
Sun
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-
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 767-300 (763)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-07-06 through 2025-07-21
Mon
Tue
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-
Wed
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Thu
Fri
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Sat
-
-
Sun
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 787-8 (788)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-07-24 through 2025-07-29
Mon
-
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Tue
Wed
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Thu
Fri
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Sat
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Sun
-
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Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 737 (737)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-07-27 through 2025-08-03
Mon
Tue
-
-
Wed
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Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 787-8 (788)
The flight arrives 1 day after departure.
Korean Air KE5840
Operates only on 2025-08-04
Mon
Tue
-
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Wed
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Thu
-
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Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-08-05 through 2025-08-26
Mon
-
-
Tue
Wed
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Thu
-
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Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 737 (737)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-08-07 through 2025-09-01
Mon
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 787-8 (788)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-09-02 through 2025-09-23
Mon
-
-
Tue
Wed
-
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Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 787 (787)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-09-04 through 2025-09-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
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-
Sat
-
-
Sun
-
-
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-09-06 through 2025-09-13
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 767-300 (763)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-09-07 through 2025-09-14
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 787-8 (788)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-09-15 through 2025-09-20
Mon
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 767-300 (763)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-09-21 through 2025-09-29
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 787-8 (788)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-09-24 through 2025-09-27
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 767-300 (763)
The flight arrives 1 day after departure.
Korean Air KE5840
Effective 2025-09-25 through 2025-09-30
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
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Codeshare flight, operated by Miat Mongolian Airlines.
(OM 309)
Duration: 3:10, non-stop Boeing 787 (787)
The flight arrives 1 day after departure.
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Parallax here UBN-ICN
- KE 5840 is an international flight departing from Ulaanbaatar airport, Mongolia (UBN) and arriving at Seoul Incheon airport, South Korea (ICN).
- The flight distance is 1215 miles, or 1956 km.
- The timezone of the departure airport is UTC+8 , and the timezone of the arrival airport is UTC+9 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time is 3:10.