TK204Turkish Airlines · SEA → IST
live · 35m ago
Route confirmed Turkish Airlines

TK204 SeattleSEA · 19:15 IstanbulIST · 17:05

TK204 by Turkish Airlines flies from Seattle (SEA) to Istanbul (IST) for the Fri, Sep 25 departure.

Right nowOn time · gate S16 · as of 02:23
19:15

departs SEA · on schedule

Typical arrival+0 minmedian over 3 operations

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
09-25
+0 arrival
09-23
+0 arrival
09-22
+40 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
SEASeattleModerate riskSEA delay board →
ISTIstanbulOn-time likelyIST delay board →
SEA→ISTevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
29%Chance of 15+ min delay
4.3%Chance of cancellation
+3 minAvg hub delay right now

Conditions at SEA and IST are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Seattle to Istanbul flights today

same route · Turkish Airlines
TK214departs 12:35

If TK204 is cancelled, this is the other Turkish Airlines nonstop flight from Seattle to Istanbul on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How TK204 actually runs

Pro Flight Search has tracked every published board update for TK204 across the SEA and IST boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed +0 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how TK204 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-25SEA 19:15IST 17:05 (+0)
09-24SEA 19:15IST
09-23SEA 19:15IST 17:05 (+0)
09-22SEA 19:15IST 17:05 17:45 (+40)

Board clocks recorded as SEA and IST published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — TK204 Seattle to Istanbul on-time performance, measured from the SEA and IST airport boards.

Canonical URL
https://proflightsearch.com/flight/TK204
How we measure this →