OS339 ViennaVIE · 20:20 LondonLHR · 21:40
OS339 by Austrian Airlines flies from Vienna (VIE) to London (LHR) for the Wed, Sep 23 departure.
estimated arrival at LHR · local time · ~21 min from now
board checked 11m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 20:51 · typical taxi-out at VIE ≈ 6.9 min.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at VIE and LHR 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 Vienna to London flights today
same route · Austrian AirlinesIf OS339 is cancelled, these are the other Austrian Airlines nonstop flights from Vienna to London on the same day, with scheduled departure times in VIE local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How OS339 actually runs
Pro Flight Search has tracked every published board update for OS339 across the VIE and LHR boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left noticeably late (~31 min) but landed about 6 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how OS339 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 VIE and LHR published them.
Planning around OS339? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — OS339 Vienna to London on-time performance, measured from the VIE and LHR airport boards.
https://proflightsearch.com/flight/OS339
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