Flights A3221 07:10 daily · A3223 varies daily · A3225 14:15 daily · A3227 19:15 daily
Direct flights from Kos Island (KGS) to Athens (ATH): 14 nonstop departures observed each week across 2 airlines. 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 13 October 2026 at 02:47 UTC.
Today, KGS → ATH
Tue 13 Oct · local times- · A3221Aegean Airlines S.A. On schedule ATH 07:10scheduled
- · A3223Aegean Airlines S.A. On schedule ATH 09:10scheduled
- · A3225Aegean Airlines S.A. On schedule ATH 14:05scheduled
- · A3227Aegean Airlines S.A. On schedule ATH 19:15scheduled
- · GQ221SKY EXPRESS S.A. On schedule ATH 09:35scheduled
- · GQ223SKY EXPRESS S.A. On schedule ATH 17:25scheduled
- · GQ225SKY EXPRESS S.A. On schedule ATH 23:25scheduled
Checked ATH board 05:47
route health from live KGS and ATH delay boards
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 daysAirports right now
live boardsnext sweep in 120s
How the Kos Island to Athens route actually runs
Pro Flight Search records official board updates for nonstop KGS 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
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Pro Flight Search — Kos Island (KGS) to Athens (ATH) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/KGS-ATH
KGS to ATH questions
Is KGS–ATH running on time right now?
Smooth skies ahead. The arrival side at ATH is the weaker end, route health score 84/100. The airports section above carries the live status and delay window at both ends.
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?
2 carriers operate this route, around 49 flights a week between them. Compare carrier days and times in the airline list above.
What does the route health score measure?
A blend of departure-side delay at KGS and arrival-side delay at ATH, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.