A3991 IstanbulIST · 10:30 AthensATH · 12:00
A3991 by Aegean Airlines flies from Istanbul (IST) to Athens (ATH) for the Sat, Oct 24 departure.
arrival expected at ATH · on schedule
board checked 22m ago · checking again in 45s
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by ATH (Athens), 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 Istanbul to Athens flights today
same route · Aegean AirlinesIf A3991 is cancelled, these are the other Aegean Airlines nonstop flights from Istanbul to Athens 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 A3991 actually runs
Pro Flight Search has tracked every published board update for A3991 across the IST and ATH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed +22 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how A3991 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 IST and ATH published them.
Planning around A3991? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — A3991 Istanbul to Athens on-time performance, measured from the IST and ATH airport boards.
https://proflightsearch.com/flight/A3991
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