SOF → ATHSofia to Athens

live

Direct flights from Sofia (SOF) to Athens (ATH): 16 nonstop departures observed each week across 3 airlines. The median arrival is 20 minutes late. No cancellations were recorded across the 3 tracked flights. The nonstop covers 531 km, an estimated 1 hour 11 minutes in the air. Measured by Pro Flight Search from live flight boards at Sofia and Athens. Updated 17 September 2026 at 09:03 UTC.

SOF Sofia smooth · +0
ATH Athens smooth · +0
531 km · ~1h 11m est.
dep bank 09:35–21:2016x weekly
Running clean · 3 airlines · 16x weekly · nonstop
100 / 100

route health from live SOF and ATH delay boards

Median arrival delay is +20 min. 0 of 3 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+20 minacross the last 3 operated legs
Flight time~1h 11mestimated from route distance
Weekly departures16x3 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Aegean AirlinesBULGARIA AIR

Each 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 days
GQ

Flights GQ681 09:35 Mo We Th Fr Su

Aegean AirlinesA3

Flights A3981 10:55 Mo Tu We Th Sa · A3983 21:20 Mo Fr Su

BULGARIA AIRFB

Flights FB807 varies Tu Th Fr Su

History

operated legs · board outcomes
09-17A3981dep +0 → arr+15
09-17GQ681dep +0 → arr+39
09-16A3981arrived+20

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
SOFSofia +0 min smooth 🌤 clear · SE 3 kt Full SOF delay board →
ATHAthens +0 min smooth 🌤 few clouds · NE 17 kt Full ATH delay board →

Weather lens

Current conditions put the pressure at ATH: 48% odds of a 15+ minute delay and around +15 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Sofia to Athens route actually runs

Pro Flight Search records official board updates for nonstop SOF 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

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Sofia (SOF) to Athens (ATH) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/SOF-ATH
How we measure this →

SOF to ATH questions

Is SOF–ATH running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SOF–ATH?

Operators schedule morning departures around 09:35 and evening departures around 21:20 from SOF. 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 SOF to ATH?

Great-circle distance is 531 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 67–76 min gate-to-gate on this route.

How often does SOF–ATH fly?

3 carriers operate this route, around 17 flights a week between them. Compare carrier days and times in the airline list above.