Flights A3999 04:35 Th · A3991 10:30 daily · A3993 15:35 daily · A3995 21:00 daily
Direct flights from Istanbul (IST) to Athens (ATH): 21 nonstop departures observed each week across 3 airlines. The median arrival is 18 minutes late. 1 of the 4 tracked flights was cancelled. The nonstop covers 554 km, an estimated 1 hour 13 minutes in the air. Measured by Pro Flight Search from live flight boards at Istanbul and Athens. Updated 22 September 2026 at 13:07 UTC.
route health from live IST and ATH delay boards
Median arrival delay is +18 min. 1 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
The week
scheduled departures · origin local timeEach mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at ATH: 63% odds of a 15+ minute delay and around +25 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Istanbul to Athens route actually runs
Pro Flight Search records official board updates for nonstop IST to ATH flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · 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 — Istanbul (IST) to Athens (ATH) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/IST-ATH
IST to ATH questions
Is IST–ATH running on time right now?
Significant delay risk. The arrival side at ATH is the weaker end, route health score 42/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on IST–ATH?
Operators schedule morning departures around 01:45 and evening departures around 18:55 from IST. Earlier flights typically land before destination-airport delays accumulate later in the day; check the ATH delay card to confirm conditions when you'd arrive.
How long is the flight from IST to ATH?
Great-circle distance is 554 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 69–77 min gate-to-gate on this route.
How often does IST–ATH fly?
3 carriers operate this route, around 62 flights a week between them. Compare carrier days and times in the airline list above.