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

TK20 Turkish Airlines - Flight Status

Below, you can find details about Turkish Airlines flight TK20, which currently operates between the airports of Istanbul - Istanbul Airport (Airport Code IST) and Seoul - Seoul Incheon International Airport (Airport Code ICN).
This flight data pertains specifically to the flight's details for Sunday, December 14, 2025.

TK20 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

TK20 Turkish Airlines to Seoul

This flight is not scheduled for December 15, 2025.

Airline information

Turkish Airlines
Turkish Airlines

Departure

Istanbul (IST)
December 14, 2025
Istanbul Airport

Arrival

Seoul (ICN)
December 15, 2025
Seoul Incheon International Airport
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:

- OZ6934 - Asiana Airlines

Additional Information

Which is the frequency of flight TK20?
The flight TK20 is scheduled to flight on Tuesday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight TK20?
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 Istanbul: 2025-12-16 02:18:39
Current Time in Seoul: 2025-12-16 08:18:39

Alternative Flights

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

Korean Air
- Flight Number: KE956.

Asiana Airlines
- Flight Number: OZ552.

Turkish Airlines
- Flight Number: TK90.

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: We have gathered available data from last twelve closed months, spanning from December 03, 2024 to March 21, 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.

Last Past Flights TK20

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
15 December
17:21
Istanbul (IST)
08:33
Seoul (ICN)
09h 12min
Boeing 777-300
Boeing 777-300
Landed - On-time
Saturday
13 December
17:22
Istanbul (IST)
08:54
Seoul (ICN)
09h 32min
Boeing 777-300
Boeing 777-300
Landed - On-time
Friday
12 December
17:30
Istanbul (IST)
08:51
Seoul (ICN)
09h 21min
Boeing 777-300
Boeing 777-300
Landed - On-time
Wednesday
10 December
17:27
Istanbul (IST)
08:24
Seoul (ICN)
08h 57min
Boeing 777-300
Boeing 777-300
Landed - On-time
Monday
08 December
18:07
Istanbul (IST)
09:16
Seoul (ICN)
09h 09min
Boeing 777-300
Boeing 777-300
Landed - On-time
Saturday
06 December
17:28
Istanbul (IST)
08:55
Seoul (ICN)
09h 27min
Boeing 777-300
Boeing 777-300
Landed - On-time
Friday
05 December
17:32
Istanbul (IST)
08:57
Seoul (ICN)
09h 25min
Boeing 787-9
Boeing 787-9
Landed - On-time
Wednesday
03 December
17:27
Istanbul (IST)
08:48
Seoul (ICN)
09h 21min
Boeing 777-300
Boeing 777-300
Landed - On-time
Monday
01 December
17:30
Istanbul (IST)
08:51
Seoul (ICN)
09h 21min
Boeing 777-300
Boeing 777-300
Landed - On-time
Saturday
29 November
17:43
Istanbul (IST)
09:00
Seoul (ICN)
09h 17min
Boeing 777-300
Boeing 777-300
Landed - On-time