Skip to content

Route turbulence forecast

London Delhi

Turbulence forecast for flights from London Heathrow Airport (LHR) to Indira Gandhi International Airport (DEL).

Jet-stream + mountain-wave corridor
Distance
6,731 km
3,635 nm
Typical duration
8h 20m
Ground-speed estimate
Cruise
FL390
39,000 ft
Jet stream
High — long mid-latitude crossing

Check flights on this route

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

Live status with real-time delays and cancellations.

View LHRDEL flights

What to expect on this route

Eastbound (generally tailwind-assisted) · Great-circle bearing 80°

Jet-stream exposure on this corridor is significant. Long mid-latitude legs mean clear-air turbulence is the dominant source of bumps, typically encountered at cruise altitude. The route crosses or passes near the Himalayas, which can generate mountain-wave turbulence downwind when upper-level winds are strong. 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.

Mountain crossings
Himalayas
Ocean / water segments
Indian Ocean

Seasonal turbulence pattern

Wind flowing over the Himalayas 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)

LHRDEL turbulence FAQ

Is the London to Delhi flight usually bumpy?

Most of the 6,731 km route sits in the mixed band with high jet-stream exposure. Historically that means occasional clear-air turbulence at cruise altitude is normal, especially in winter. Mountain-wave effects near the Himalayas add short bumpy stretches when upper-level winds are strong.

When is the best time to fly LHR to DEL 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 DEL?

Block time is usually around 8h 20m 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 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? DELLHR turbulence forecast →

Articles

More on London ↔ Delhi

Articles that unpack the factors driving turbulence on this type of route.

All articles