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 Thursday, March 26, 2026.

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 - On-time
Flight Status for Thursday March 26, 2026

Airline information

Turkish Airlines
Turkish Airlines
Equipment: Airbus A350-900

Departure

Istanbul (IST)
March 26, 2026
Istanbul Airport
Scheduled Departure Time:
15:20
Gate:
-
Scheduled Departure Time: 15:20

Arrival

Seattle (SEA)
March 26, 2026
Seattle-Tacoma International Airport
Estimated Arrival Time:
18:05
Terminal:
-
Gate:
S11
Scheduled Arrival Time: 18:05
Baggage: 19
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: 2026-03-26 12:31:53
Current Time in Seattle: 2026-03-26 02:31:53

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 March 02, 2025 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
Wednesday
25 March
15:20
Istanbul (IST)
17:23
Seattle (SEA)
12h 03min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
24 March
15:30
Istanbul (IST)
18:00
Seattle (SEA)
12h 30min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
23 March
15:20
Istanbul (IST)
18:06
Seattle (SEA)
12h 46min
Airbus A350-90
Airbus A350-90
Landed - On-time
Sunday
22 March
15:20
Istanbul (IST)
17:16
Seattle (SEA)
11h 56min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
21 March
15:20
Istanbul (IST)
18:30
Seattle (SEA)
13h 10min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Friday
20 March
15:20
Istanbul (IST)
17:21
Seattle (SEA)
12h 01min
Airbus A350-90
Airbus A350-90
Landed - On-time
Thursday
19 March
15:20
Istanbul (IST)
17:38
Seattle (SEA)
12h 18min
Airbus A350-90
Airbus A350-90
Landed - On-time
Wednesday
18 March
16:25
Istanbul (IST)
18:45
Seattle (SEA)
12h 20min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Tuesday
17 March
15:20
Istanbul (IST)
17:45
Seattle (SEA)
12h 25min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
16 March
15:20
Istanbul (IST)
17:39
Seattle (SEA)
12h 19min
Airbus A350-90
Airbus A350-90
Landed - On-time