A3603 LondonLHR · 16:35 AthensATH · 22:15
A3603 by Aegean Airlines flies from London (LHR) to Athens (ATH) for the Wed, Sep 9 departure.
departs LHR · on schedule
board checked 13m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LHR and ATH are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other London to Athens flights today
same route · Aegean AirlinesIf A3603 is cancelled, these are the other Aegean Airlines nonstop flights from London to Athens on the same day, with scheduled departure times in LHR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How A3603 actually runs
Pro Flight Search has tracked every published board update for A3603 across the LHR and ATH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: left heavily delayed (~172 min) but landed heavily delayed (~143 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how A3603 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as LHR and ATH published them.
Planning around A3603? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — A3603 London to Athens on-time performance, measured from the LHR and ATH airport boards.
https://proflightsearch.com/flight/A3603
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