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

TK203 Turkish Airlines - Flight Status

Below, you can find details about Turkish Airlines flight TK203, which currently operates between the airports of Istanbul - Istanbul Airport (Airport Code IST) and Seattle - Seattle-Tacoma International Airport (Airport Code SEA).
This flight data pertains specifically to the flight's details for Saturday, December 27, 2025.

TK203 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

TK203 Turkish Airlines to Seattle

Scheduled
Flight Status for Saturday December 27, 2025
This flight was also scheduled for Yesterday (December 25, 2025). See it here
This flight is also scheduled for Today (December 26, 2025). See it here

Airline information

Turkish Airlines
Turkish Airlines
Equipment: Airbus A350-900

Departure

Istanbul (IST)
December 27, 2025
Istanbul Airport
Scheduled Departure Time:
15:20
Gate:
-
Scheduled Departure Time: 15:20

Arrival

Seattle (SEA)
December 27, 2025
Seattle-Tacoma International Airport
Scheduled Arrival Time:
17:05
Terminal:
-
Gate:
-
Scheduled Arrival Time: 17:05
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.

Additional Information

Which is the frequency of flight TK203?
The flight TK203 is scheduled to flight on daily basis.

Which is the distance of flight TK203?
The distance between the two airports is 9749 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: 2025-12-26 05:11:47
Current Time in Seattle: 2025-12-25 18:11:47

Alternative Flights

Turkish Airlines is the only airline operating the route from Istanbul to Seattle.

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 02, 2024 to March 22, 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 TK203

Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
25 December
15:40
Istanbul (IST)
16:20
Seattle (SEA)
11h 40min
Airbus A350-90
Airbus A350-90
Landed - On-time
Wednesday
24 December
16:03
Istanbul (IST)
17:13
Seattle (SEA)
12h 10min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
23 December
15:58
Istanbul (IST)
16:42
Seattle (SEA)
11h 44min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
22 December
16:00
Istanbul (IST)
16:47
Seattle (SEA)
11h 47min
Airbus A350-90
Airbus A350-90
Landed - On-time
Sunday
21 December
15:47
Istanbul (IST)
16:29
Seattle (SEA)
11h 42min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
20 December
15:30
Istanbul (IST)
16:58
Seattle (SEA)
12h 28min
Airbus A350-90
Airbus A350-90
Landed - On-time
Friday
19 December
15:39
Istanbul (IST)
16:32
Seattle (SEA)
11h 53min
Airbus A350-90
Airbus A350-90
Landed - On-time
Thursday
18 December
16:02
Istanbul (IST)
16:49
Seattle (SEA)
11h 47min
Airbus A350-90
Airbus A350-90
Landed - On-time
Wednesday
17 December
15:59
Istanbul (IST)
17:12
Seattle (SEA)
12h 13min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
16 December
15:41
Istanbul (IST)
16:27
Seattle (SEA)
11h 46min
Airbus A350-90
Airbus A350-90
Landed - On-time