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Route turbulence forecast

Manchester Geneva

Turbulence forecast for flights from Manchester Airport (MAN) to Geneva Cointrin International Airport (GVA).

Mountain-wave sensitive route
Distance
993 km
536 nm
Typical duration
1h 52m
Ground-speed estimate
Cruise
FL340
34,000 ft
Jet stream
Low — limited jet crossings

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

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What to expect on this route

Southbound · Great-circle bearing 139°

Most of the route sits away from the strongest jet-stream zones, so clear-air turbulence is less common than on long east-west crossings. The route crosses or passes near the Alps, which can generate mountain-wave turbulence downwind when upper-level winds are strong.

Mountain crossings
Alps

Seasonal turbulence pattern

Wind flowing over the Alps can generate mountain-wave turbulence that extends hundreds of kilometres downwind — most pronounced in the northern winter (Nov–Mar), when upper-level winds are strongest.

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

MANGVA turbulence FAQ

Is the Manchester to Geneva flight usually bumpy?

Most of the 993 km route sits in the mid latitude band with low jet-stream exposure. Historically that means most flights cruise in smooth air, with turbulence limited to short sectors near weather systems. Mountain-wave effects near the Alps add short bumpy stretches when upper-level winds are strong.

When is the best time to fly MAN to GVA 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 MAN to GVA?

Block time is usually around 1h 52m 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 southbound 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.

Flying the other way? GVAMAN turbulence forecast →

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