Skip to content

Route turbulence forecast

London Hong Kong

Turbulence forecast for flights from London Heathrow Airport (LHR) to Hong Kong International Airport (HKG).

Jet-stream exposed corridor
Distance
9,631 km
5,200 nm
Typical duration
11h 42m
Ground-speed estimate
Cruise
FL410
41,000 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 HKG, with live wind and pilot reports.

Live status with real-time delays and cancellations.

View LHRHKG flights

What to expect on this route

Eastbound (generally tailwind-assisted) · Great-circle bearing 58°

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. 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.

Ocean / water segments
Indian Ocean

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)

LHRHKG turbulence FAQ

Is the London to Hong Kong flight usually bumpy?

Most of the 9,631 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.

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

Block time is usually around 11h 42m direct, cruising at approximately FL410 (41,000 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? HKGLHR turbulence forecast →

Articles

More on London ↔ Hong Kong

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

All articles