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Route turbulence forecast

Jeddah London

Turbulence forecast for flights from King Abdulaziz International Airport (JED) to London Stansted Airport (STN).

Mountain-wave sensitive route
Distance
4,729 km
2,554 nm
Typical duration
6h 00m
Ground-speed estimate
Cruise
FL390
39,000 ft
Jet stream
Moderate — partial jet exposure

Check flights on this route

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

Live status with real-time delays and cancellations.

View JEDSTN flights

What to expect on this route

Northbound · Great-circle bearing -35°

The route crosses mid-latitudes where the polar jet can influence flight conditions, though exposure is shorter than on genuine long-haul 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
Ocean / water segments
Mediterranean

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)

JEDSTN turbulence FAQ

Is the Jeddah to London flight usually bumpy?

Most of the 4,729 km route sits in the mixed band with moderate jet-stream exposure. Historically that means occasional clear-air turbulence at cruise altitude is normal, especially in winter. Mountain-wave effects near the Alps add short bumpy stretches when upper-level winds are strong.

When is the best time to fly JED to STN 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 JED to STN?

Block time is usually around 6h 00m direct, cruising at approximately FL390 (39,000 ft). Actual duration varies with winds — tailwinds can shave 15–30 minutes, headwinds can add 30+ minutes on this northbound 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.

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Flying the other way? STNJED turbulence forecast →

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