Aegean AirlinesA3
Flights A3398 varies Mo We Fr
live
Direct flights from Heraklion (HER) to Kos Island (KGS): 3 nonstop departures observed each week across 1 airline. The nonstop covers 236 km, an estimated 48 minutes in the air. Measured by Pro Flight Search from live flight boards at Heraklion and Kos Island. Updated 14 September 2026 at 09:47 UTC.
HER
Heraklion
tracking
KGS
Kos Island
tracking
236 km · ~0h 48m est.
Tracking · 1 airline · 3x weekly · nonstop
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delay history for HER → KGS is still building
Flight time~0h 48mestimated from route distance
Weekly departures3x1 direct airline on the leg
Who flies it
observed on the boards · 7 daysAirports right now
live boardsnext sweep in 120s
How the Heraklion to Kos Island route actually runs
Pro Flight Search records official board updates for nonstop HER to KGS 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
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Suggested citation
Pro Flight Search — Heraklion (HER) to Kos Island (KGS) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/HER-KGS
HER to KGS questions
How long is the flight from HER to KGS?
Great-circle distance is 236 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 47–50 min gate-to-gate on this route.
How often does HER–KGS fly?
Aegean Airlines runs the route with about 3 flights a week (mon, wed, fri). Since one carrier owns the route, a single disruption tends to ripple through the day.
What does the route health score measure?
A blend of departure-side delay at HER and arrival-side delay at KGS, 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.
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