Istanbul Airport Informational Guide to Istanbul Airport (IST) - Non Official

TK91 Turkish Airlines - Flight Status

Codeshare Flights
The flight OZ6931 from Asiana Airlines (OZ) is a codeshare flight operated by Turkish Airlines (TK) under the flight number TK91. Check this page for details about flight TK91.

Below, you can find details about Turkish Airlines flight TK91, which currently operates between the airports of Seoul - Seoul Incheon International Airport (Airport Code ICN) and Istanbul - Istanbul Airport (Airport Code IST).
This flight data pertains specifically to the flight's details for Tuesday, April 28, 2026.

TK91 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

TK91 Turkish Airlines from Seoul

Landed - Delayed
Delay: 55 minutes
Flight Status for Tuesday April 28, 2026
This flight is also scheduled for Tomorrow (April 29, 2026). See it here

Airline information

Turkish Airlines
Turkish Airlines
Equipment: Boeing 777-300ER

Departure

Seoul (ICN)
April 27, 2026
Seoul Incheon International Airport
Departed at:
00:39 (2026-04-28)
Terminal:
1
Gate:
43
Scheduled Departure Time: 23:20

Arrival

Istanbul (IST)
April 28, 2026
Istanbul Airport
Arrived at:
05:55
Gate:
-
Scheduled Arrival Time: 05:00
Baggage: 9
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.istanbul-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:

- OZ6931 - Asiana Airlines

Additional Information

Which is the frequency of flight TK91?
The flight TK91 is scheduled to flight on daily basis.

Which is the distance of flight TK91?
The distance between the two airports is 7927 kilometers.

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 Seoul: 2026-04-28 18:25:39
Current Time in Istanbul: 2026-04-28 12:25:39

Alternative Flights

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

Korean Air
- Flight Number: KE955.

Asiana Airlines
- Flight Number: OZ551.

Turkish Airlines
- Flight Number: TK21.

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions

Last Past Flights TK91

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
27 April
23:07
Seoul (ICN)
04:35
Istanbul (IST)
11h 28min
Boeing 777-300
Boeing 777-300
Landed - On-time
Sunday
26 April
23:03
Seoul (ICN)
04:15
Istanbul (IST)
11h 12min
Boeing 777-300
Boeing 777-300
Landed - On-time
Saturday
25 April
22:58
Seoul (ICN)
04:10
Istanbul (IST)
11h 12min
Boeing 777-300
Boeing 777-300
Landed - On-time
Friday
24 April
23:07
Seoul (ICN)
04:15
Istanbul (IST)
11h 08min
Boeing 777-300
Boeing 777-300
Landed - On-time
Thursday
23 April
23:18
Seoul (ICN)
04:35
Istanbul (IST)
11h 17min
Boeing 777-300
Boeing 777-300
Landed - On-time
Wednesday
22 April
23:05
Seoul (ICN)
04:25
Istanbul (IST)
11h 20min
Boeing 777-300
Boeing 777-300
Landed - On-time
Tuesday
21 April
23:13
Seoul (ICN)
04:30
Istanbul (IST)
11h 17min
Boeing 777-300
Boeing 777-300
Landed - On-time
Monday
20 April
23:08
Seoul (ICN)
05:00
Istanbul (IST)
11h 52min
Boeing 777-300
Boeing 777-300
Landed - On-time
Sunday
19 April
23:06
Seoul (ICN)
04:25
Istanbul (IST)
11h 19min
Boeing 777-300
Boeing 777-300
Landed - On-time
Saturday
18 April
23:23
Seoul (ICN)
04:20
Istanbul (IST)
10h 57min
Boeing 777-300
Boeing 777-300
Landed - On-time