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Route turbulence forecast

London Vienna

Turbulence forecast for flights from London Heathrow Airport (LHR) to Vienna International Airport (VIE).

Standard route profile
Distance
1,275 km
688 nm
Typical duration
2h 08m
Ground-speed estimate
Cruise
FL340
34,000 ft
Jet stream
Moderate — partial jet exposure

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Get a segment-by-segment turbulence forecast for any scheduled flight from LHR to VIE, with live wind and pilot reports.

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What to expect on this route

Eastbound (generally tailwind-assisted) · Great-circle bearing 100°

The route crosses mid-latitudes where the polar jet can influence flight conditions, though exposure is shorter than on genuine long-haul crossings. Flying eastbound, aircraft usually benefit from tailwinds near the jet core, which trims flight time — but the edges of the jet are where clear-air turbulence most often sits.

Seasonal turbulence pattern

Seasonal turbulence on this route is modest — most variation comes from day-to-day weather rather than strong seasonal cycles.

Peak turbulence
November–March (Northern Hemisphere winter)
Typically calmest
Late spring to early autumn (May–September)

LHRVIE turbulence FAQ

Is the London to Vienna flight usually bumpy?

Most of the 1,275 km route sits in the subpolar band with moderate jet-stream exposure. Historically that means occasional clear-air turbulence at cruise altitude is normal, especially in winter.

When is the best time to fly LHR to VIE for a smooth flight?

Statistically, Late spring to early autumn (May–September) sees the calmest conditions for this corridor. Within any season, morning departures see less convective (thunderstorm-driven) turbulence than afternoon flights.

How long is the flight from LHR to VIE?

Block time is usually around 2h 08m direct, cruising at approximately FL340 (34,000 ft). Actual duration varies with winds — tailwinds can shave 15–30 minutes, headwinds can add 30+ minutes on this eastbound sector.

How accurate is Turbcast's forecast for this route?

We use live NOAA Aviation Weather Center pilot reports (PIREPs), SIGMETs and AIRMETs, layered with physics-based Ellrod and Richardson-number calculations from Open-Meteo pressure-level wind and temperature data. If a source is unavailable for a waypoint we show an em dash rather than invent a value.

Related routes

Flying the other way? VIELHR turbulence forecast →

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