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

TK204 Turkish Airlines - Flight Status

Below, you can find details about Turkish Airlines flight TK204, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Istanbul - Istanbul Airport (Airport Code IST).
This flight data pertains specifically to the flight's details for Thursday, March 19, 2026.

TK204 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

TK204 Turkish Airlines from Seattle

Landed - Delayed
Delay: 55 minutes
Flight Status for Thursday March 19, 2026
This flight is also scheduled for Today (March 20, 2026). See it here

Airline information

Turkish Airlines
Turkish Airlines
Equipment: Airbus A350-900

Departure

Seattle (SEA)
March 18, 2026
Seattle-Tacoma International Airport
Departed at:
22:11
Terminal:
-
Gate:
S10
Scheduled Departure Time: 20:00

Arrival

Istanbul (IST)
March 19, 2026
Istanbul Airport
Arrived at:
18:55
Gate:
-
Scheduled Arrival Time: 18:00
Baggage: 21B
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 TK204?
The flight TK204 is scheduled to flight on daily basis.

Which is the distance of flight TK204?
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 Seattle: 2026-03-20 11:59:22
Current Time in Istanbul: 2026-03-20 21:59:22

Alternative Flights

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

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 TK204

Date
Departure
Arrival
Duration
Aircraft
Status
Thursday
19 March
22:11
Seattle (SEA)
18:55
Istanbul (IST)
10h 44min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Wednesday
18 March
20:28
Seattle (SEA)
17:25
Istanbul (IST)
10h 57min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
17 March
20:16
Seattle (SEA)
17:25
Istanbul (IST)
11h 09min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
16 March
20:33
Seattle (SEA)
18:00
Istanbul (IST)
11h 27min
Airbus A350-90
Airbus A350-90
Landed - On-time
Sunday
15 March
20:11
Seattle (SEA)
17:35
Istanbul (IST)
11h 24min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
14 March
21:33
Seattle (SEA)
18:35
Istanbul (IST)
11h 02min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Friday
13 March
20:19
Seattle (SEA)
17:30
Istanbul (IST)
11h 11min
Airbus A350-90
Airbus A350-90
Landed - On-time
Thursday
12 March
20:18
Seattle (SEA)
17:20
Istanbul (IST)
11h 02min
Airbus A350-90
Airbus A350-90
Landed - On-time
Wednesday
11 March
20:12
Seattle (SEA)
17:35
Istanbul (IST)
11h 23min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
10 March
20:24
Seattle (SEA)
17:30
Istanbul (IST)
11h 06min
Airbus A350-90
Airbus A350-90
Landed - On-time