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Route turbulence forecast

Istanbul Nairobi

Turbulence forecast for flights from Istanbul Airport (IST) to Jomo Kenyatta International Airport (NBO).

Tropical convective route
Distance
4,808 km
2,596 nm
Typical duration
6h 05m
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 IST to NBO, with live wind and pilot reports.

Live status with real-time delays and cancellations.

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What to expect on this route

Southbound · Great-circle bearing 168°

The route crosses mid-latitudes where the polar jet can influence flight conditions, though exposure is shorter than on genuine long-haul crossings. At tropical latitudes, convective turbulence from thunderstorms is the main driver — pilots generally route around storm cells, but afternoon/evening flights encounter more build-up than morning departures. A large portion of the flight crosses open ocean (Mediterranean), where upper-level conditions are generally smoother than over continental terrain.

Ocean / water segments
Mediterranean

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)

ISTNBO turbulence FAQ

Is the Istanbul to Nairobi flight usually bumpy?

Most of the 4,808 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.

When is the best time to fly IST to NBO 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 IST to NBO?

Block time is usually around 6h 05m 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 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.

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