OS340 LondonLHR · 06:00 ViennaVIE · 09:10
OS340 by Austrian Airlines flies from London (LHR) to Vienna (VIE) for the Thu, Sep 24 departure.
estimated arrival at VIE · local time · ~13h 39m from now
board checked 15m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 06:32 · typical taxi-out at LHR ≈ 11.1 min.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LHR and VIE 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 Vienna flights today
same route · Austrian AirlinesIf OS340 is cancelled, these are the other Austrian Airlines nonstop flights from London to Vienna 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 OS340 actually runs
Pro Flight Search has tracked every published board update for OS340 across the LHR and VIE boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: left noticeably late (~32 min) but landed a little late (~9 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how OS340 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 VIE published them.
Planning around OS340? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — OS340 London to Vienna on-time performance, measured from the LHR and VIE airport boards.
https://proflightsearch.com/flight/OS340
.