Informational Guide to Seattle–Tacoma Airport - Seatac (SEA) - 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, December 13, 2025.

TK204 On Time performance:
76
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

TK204 Turkish Airlines to Istanbul

Landed - On-time
Flight Status for Saturday December 13, 2025
This flight is also scheduled for Today (December 14, 2025). See it here
This flight is also scheduled for Tomorrow (December 15, 2025). See it here

Airline information

Turkish Airlines
Turkish Airlines
Equipment: Airbus A350-900

Departure

Seattle (SEA)
December 13, 2025
Seattle-Tacoma International Airport
Departed at:
07:18 pm
Gate:
S10
Scheduled Departure Time: 07:00 pm

Arrival

Istanbul (IST)
December 14, 2025
Istanbul Airport
Arrived at:
05:20 pm
Terminal:
-
Gate:
-
Scheduled Arrival Time: 06:00 pm
Baggage: 20B
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.seattle-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 6058 miles.

Which is the flight time of flight TK204?
The scheduled flight time gate to gate is: 12:00 hours.
The real flight time gate to gate on average is: 10:31 hours.

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: 2025-12-14 18:37:55
Current Time in Istanbul: 2025-12-15 05:37:55

Alternative Flights

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

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from September 13, 2025 to December 12, 2025, we have obtained these figures.
Total number of flights: 79
On Time: 60 ( 76 % )
Moderate Delay: 5 ( 6 % )
Significant Delay: 8 ( 10 % )
Major Delay: 5 ( 6 % )
Canceled: 0 ( 0 % )
Diverted: 1 ( 1 % )

Average Delay: 11 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from June 13, 2025 to December 12, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from December 02, 2024 to November 30, 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
Sunday
14 December
07:18 pm
Seattle (SEA)
05:20 pm
Istanbul (IST)
11h 02min
Airbus A350-90
Airbus A350-90
Landed - On-time
Saturday
13 December
07:23 pm
Seattle (SEA)
05:34 pm
Istanbul (IST)
11h 11min
Airbus A350-90
Airbus A350-90
Landed - On-time
Friday
12 December
08:38 pm
Seattle (SEA)
07:03 pm
Istanbul (IST)
11h 25min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Thursday
11 December
07:53 pm
Seattle (SEA)
05:46 pm
Istanbul (IST)
10h 53min
Airbus A350-90
Airbus A350-90
Landed - On-time
Wednesday
10 December
07:26 pm
Seattle (SEA)
05:49 pm
Istanbul (IST)
11h 23min
Airbus A350-90
Airbus A350-90
Landed - On-time
Tuesday
09 December
08:40 pm
Seattle (SEA)
06:37 pm
Istanbul (IST)
10h 57min
Airbus A350-90
Airbus A350-90
Landed - Delayed
Monday
08 December
07:25 pm
Seattle (SEA)
05:30 pm
Istanbul (IST)
11h 05min
Airbus A350-90
Airbus A350-90
Landed - On-time
Sunday
07 December
07:16 pm
Seattle (SEA)
05:28 pm
Istanbul (IST)
11h 12min
Airbus A350-90
Airbus A350-90
Landed - On-time
Friday
05 December
07:20 pm
Seattle (SEA)
06:02 pm
Istanbul (IST)
11h 42min
Airbus A350-90
Airbus A350-90
Landed - On-time
Thursday
04 December
07:22 pm
Seattle (SEA)
06:02 pm
Istanbul (IST)
11h 40min
Airbus A350-90
Airbus A350-90
Landed - On-time