TK1990 LondonLHR · 13:25 IstanbulIST · 19:15
TK1990 by Turkish Airlines flies from London (LHR) to Istanbul (IST).
scheduled from LHR
Where the minutes go
last 6 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −30 min · 0 cancelled · 6 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by LHR (London), currently flying VFR (visual). 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 London to Istanbul flights today
same route · Turkish AirlinesIf TK1990 is cancelled, these are the other Turkish Airlines nonstop flights from London to Istanbul on the same day, with scheduled departure times in LHR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How TK1990 actually runs
Pro Flight Search has tracked every published board update for TK1990 across the LHR and IST boards: schedule changes, gate pushes and actual clocks. Usually lands ~30 min early. Based on 6 confirmed landings · 6/6 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how TK1990 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 LHR and IST published them.
Planning around TK1990? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — TK1990 London to Istanbul on-time performance, measured from the LHR and IST airport boards.
https://proflightsearch.com/flight/TK1990
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