AY1739 HelsinkiHEL · 13:00 LisbonLIS · 15:50
AY1739 by Finnair flies from Helsinki (HEL) to Lisbon (LIS) for the Mon, Sep 7 departure.
departs HEL · on schedule
board checked 46m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at HEL and LIS 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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.
How AY1739 actually runs
Pro Flight Search has tracked every published board update for AY1739 across the HEL and LIS boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 3/4 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how AY1739 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: OHLZH, OHLZS, OHLXC.
Board clocks recorded as HEL and LIS published them.
Planning around AY1739? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AY1739 Helsinki to Lisbon on-time performance, measured from the HEL and LIS airport boards.
https://proflightsearch.com/flight/AY1739
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