Informational Guide to Seoul Incheon International Airport (ICN) - Non Official

OM309 Miat Mongolian Airlines - Flight Status

Codeshare Flights
The flight KE5840 from Korean Air (KE) is a codeshare flight operated by Miat Mongolian Airlines (OM) under the flight number OM309. Check this page for details about flight OM309.

Below, you can find details about Miat Mongolian Airlines flight OM309, which currently operates between the airports of Ulaanbaatar - Chinggis Khan International Airport (Airport Code UBN) and Seoul - Seoul Incheon International Airport (Airport Code ICN).
This flight data pertains specifically to the flight's details for Monday, September 01, 2025.

OM309 On Time performance:
89
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

OM309 Miat Mongolian Airlines from Ulaanbaatar

Landed - On-time
Flight Status for Monday September 01, 2025
This flight was also scheduled for Yesterday (August 31, 2025). See it here
This flight is also scheduled for Tomorrow (September 02, 2025). See it here

Airline information

Miat Mongolian Airlines
Miat Mongolian Airlines
Equipment: Boeing 787-9

Departure

Ulaanbaatar (UBN)
August 31, 2025
Chinggis Khan International Airport
Departed at:
20:46
Terminal:
-
Gate:
-
Scheduled Departure Time: 20:30

Arrival

Seoul (ICN)
September 01, 2025
Seoul Incheon International Airport
Arrived at:
00:40
Terminal:
1
Gate:
21
Scheduled Arrival Time: 00:40
Baggage: 3
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.seoul-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- KE5840 - Korean Air

Additional Information

Which is the frequency of flight OM309?
The flight OM309 is scheduled to flight on daily basis.

Which is the distance of flight OM309?
The distance between the two airports is 1958 kilometers.

Which is the flight time of flight OM309?
The scheduled flight time gate to gate is: 03:10 hours.
The real flight time gate to gate on average is: 02:49 hours.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Ulaanbaatar: 2025-09-01 03:54:48
Current Time in Seoul: 2025-09-01 04:54:48

Alternative Flights

The following airlines serves the same route between Ulaanbaatar and Seoul:

Jeju Air
- Flight Number: 7C5204. (On Time performance: 92 - Average Delay: 2 minutes)

Korean Air
- Flight Number: KE196. (On Time performance: 89 - Average Delay: 11 minutes)
- Flight Number: KE198. (On Time performance: 99 - Average Delay: 1 minutes)

Aero Mongolia
- Flight Number: M0601. (On Time performance: 92 - Average Delay: 4 minutes)

Miat Mongolian Airlines
- Flight Number: OM301. (On Time performance: 93 - Average Delay: 4 minutes)
- Flight Number: OM303. (On Time performance: 89 - Average Delay: 4 minutes)
- Flight Number: OM307. (On Time performance: 94 - Average Delay: 4 minutes)

Asiana Airlines
- Flight Number: OZ568. (On Time performance: 75 - Average Delay: 12 minutes)
- Flight Number: OZ5683. (On Time performance: 73 - Average Delay: 17 minutes)

T'way Air
- Flight Number: TW422. (On Time performance: 65 - Average Delay: 28 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from June 02, 2025 to August 29, 2025, we have obtained these figures.
Total number of flights: 88
On Time: 78 ( 89 % )
Moderate Delay: 7 ( 8 % )
Significant Delay: 1 ( 1 % )
Major Delay: 2 ( 2 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 8 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from June 02, 2025 to August 29, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from August 02, 2024 to July 31, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.

Last Past Flights OM309

Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
31 August
21:37
Ulaanbaatar (UBN)
01:30
Seoul (ICN)
02h 53min
Boeing 767-300
Boeing 767-300
Landed - On-time
Saturday
30 August
20:49
Ulaanbaatar (UBN)
00:37
Seoul (ICN)
02h 48min
Boeing 787-9
Boeing 787-9
Landed - On-time
Friday
29 August
20:41
Ulaanbaatar (UBN)
00:30
Seoul (ICN)
02h 49min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Thursday
28 August
20:44
Ulaanbaatar (UBN)
00:35
Seoul (ICN)
02h 51min
Boeing 767-300
Boeing 767-300
Landed - On-time
Wednesday
27 August
21:08
Ulaanbaatar (UBN)
00:51
Seoul (ICN)
02h 43min
Boeing 787-9
Boeing 787-9
Landed - On-time
Tuesday
26 August
20:34
Ulaanbaatar (UBN)
00:04
Seoul (ICN)
02h 30min
Boeing 787-9
Boeing 787-9
Landed - On-time
Monday
25 August
20:54
Ulaanbaatar (UBN)
00:45
Seoul (ICN)
02h 51min
Boeing 787-9
Boeing 787-9
Landed - On-time
Sunday
24 August
20:38
Ulaanbaatar (UBN)
00:35
Seoul (ICN)
02h 57min
Boeing 737-800
Boeing 737-800
Landed - On-time
Saturday
23 August
20:55
Ulaanbaatar (UBN)
00:28
Seoul (ICN)
02h 33min
Boeing 787-9
Boeing 787-9
Landed - On-time
Friday
22 August
22:08
Ulaanbaatar (UBN)
02:18
Seoul (ICN)
03h 10min
Boeing 787-9
Boeing 787-9
Landed - Delayed