TK1921 IstanbulIST · 11:35 GenevaGVA · 13:50
TK1921 by Turkish Airlines flies from Istanbul (IST) to Geneva (GVA) for the Sat, Sep 19 departure.
estimated arrival at GVA · local time · past this estimate · waiting on the board
board checked 10m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 11:35.
Where the minutes go
last 5 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 −13 min · 0 cancelled · 5 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at IST and GVA 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 Istanbul to Geneva flights today
same route · Turkish AirlinesIf TK1921 is cancelled, these are the other Turkish Airlines nonstop flights from Istanbul to Geneva on the same day, with scheduled departure times in IST local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How TK1921 actually runs
Pro Flight Search has tracked every published board update for TK1921 across the IST and GVA boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 min early. Based on 4 confirmed landings · 4/4 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 TK1921 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: TCLSF, TCJTD, TCLSB, TCLPR.
Board clocks recorded as IST and GVA published them.
Planning around TK1921? 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 — TK1921 Istanbul to Geneva on-time performance, measured from the IST and GVA airport boards.
https://proflightsearch.com/flight/TK1921
.