Direct flights from Kos Island (KGS) to Athens (ATH): 7 nonstop departures observed each week across 1 airline. 59% of the last 22 operated flights arrived within 15 minutes of schedule. The median arrival is 11 minutes late. No cancellations were recorded across the 22 tracked flights. The nonstop covers 306 km, an estimated 54 minutes in the air. Measured by Pro Flight Search from live flight boards at Kos Island and Athens. Updated 22 August 2026 at 07:18 UTC.
KGSKos Islandtracking
ATHAthenssmooth · +1
306 km · ~0h 54m est.
dep bank 06:00–20:407x weekly
Runs rough · 1 airline · 7x weekly · nonstop
59% on time
of the last 22 operated KGS → ATH flights arrived within 15 minutes
Pro Flight Search tracks every published board update for nonstop KGS to ATH flights: 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. Fares link straight to the operating airline with no markups.
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 KGS–ATH?
Operators schedule morning departures around 06:00 and evening departures around 18:10 from KGS. 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 KGS to ATH?
Great-circle distance is 306 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 52–56 min gate-to-gate on this route.
How often does KGS–ATH fly?
Aegean Airlines runs the route with about 23 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.