TK134 HoustonIAH · 14:30 IstanbulIST · 10:25
TK134 by Turkish Airlines flies from Houston (IAH) to Istanbul (IST).
scheduled from IAH
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at IAH 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Houston to Istanbul flights today
same route · Turkish AirlinesIf TK134 is cancelled, these are the other Turkish Airlines nonstop flights from Houston to Istanbul on the same day, with scheduled departure times in IAH local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How TK134 actually runs
Pro Flight Search has tracked every published board update for TK134 across the IAH and IST boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed +10 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how TK134 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as IAH and IST published them.
Planning around TK134? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — TK134 Houston to Istanbul on-time performance, measured from the IAH and IST airport boards.
https://proflightsearch.com/flight/TK134
.