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 Saturday, January 31, 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

Scheduled - Delayed
Delay: 35 minutes
Flight Status for Saturday January 31, 2026
This flight was also scheduled for Yesterday (January 30, 2026). See it here

Airline information

Turkish Airlines
Turkish Airlines
Equipment: Airbus A350-900

Departure

Seattle (SEA)
January 30, 2026
Seattle-Tacoma International Airport
Estimated Departure Time:
19:00
Terminal:
-
Gate:
S15
Scheduled Departure Time: 19:00

Arrival

Istanbul (IST)
January 31, 2026
Istanbul Airport
Estimated Arrival Time:
18:35
Gate:
-
Scheduled Arrival Time: 18:00
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: 2026-01-30 14:23:18
Current Time in Istanbul: 2026-01-31 01:23:18

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 January 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
Friday
30 January
19:54
Seattle (SEA)
18:06
Istanbul (IST)
11h 12min
Airbus A350-90
Airbus A350-90
Landed - On-time
Thursday
29 January
19:12
Seattle (SEA)
18:23
Istanbul (IST)
12h 11min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Wednesday
28 January
19:44
Seattle (SEA)
18:25
Istanbul (IST)
11h 41min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Tuesday
27 January
19:14
Seattle (SEA)
17:51
Istanbul (IST)
11h 37min
Airbus A350-90
Airbus A350-90
Landed - On-time
Monday
26 January
19:45
Seattle (SEA)
18:38
Istanbul (IST)
11h 53min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Sunday
25 January
19:11
Seattle (SEA)
18:11
Istanbul (IST)
12h 00min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
24 January
19:20
Seattle (SEA)
18:11
Istanbul (IST)
11h 51min
Airbus A350-90
Airbus A350-90
Landed - On-time
Friday
23 January
19:22
Seattle (SEA)
18:41
Istanbul (IST)
12h 19min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Thursday
22 January
19:18
Seattle (SEA)
18:19
Istanbul (IST)
12h 01min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Wednesday
21 January
19:10
Seattle (SEA)
18:06
Istanbul (IST)
11h 56min
Airbus A350-90
Airbus A350-90
Landed - On-time