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YUL to LHR Turbulence Forecast

Is the Montreal to London flight turbulent? Live forecast & historical patterns.

Live forecast
YUL
→
LHR
Montreal · London · 6h 45m
56
Turb Score
6h 45m
Duration
2,918 nm
Distance
36,000 ft
Cruise Alt.
Light
Typical
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Typical turbulence along the route

Historical average pattern for YUL–LHR

Smooth Light Moderate
0h1h2h3h4h5h6h6h 45m
Smooth
Light
Moderate
Heavy

About the YUL–LHR route

The Montreal to London route crosses the North Atlantic, where the jet stream is the primary source of turbulence. Flying at 36,000 feet, the aircraft encounters the strongest bumps roughly 2–5 hours into the flight. This is clear-air turbulence — no clouds, no visual warning — which makes a pre-flight forecast especially valuable.

The route is served by Air Canada, British Airways on Airbus A330 · Boeing 767 aircraft, with flights typically cruising at 36,000 feet over a distance of 3,357 miles (2,918 nautical miles).

💡 Tip: Turbulence peaks mid-flight over the Atlantic. First and last hour are usually smooth.

Turbulence levels on YUL–LHR

What to expect at each phase of the flight

SmoothDeparture & arrival — climb and descent phases are generally calm
LightMinor bumps — drink stays in your cup, walking feels slightly unsteady
ModerateNoticeable bumps — stay seated with seatbelt on, service may pause
HeavyStrong jolts — unsecured items move, crew seated. Rare but possible

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Best time to fly YUL–LHR

Turbulence by month

J
F
M
A
M
J
J
A
S
O
N
D
Smooth
Light
Moderate
Rough

Best seat on YUL–LHR

Airbus A330

Front
Rows 1–17
Light
✓ Wing
Rows 18–30
Smoothest
Rear
Rows 31+
Rougher
Wing seats are over the center of gravity — least affected by turbulence.

What you'll see in the app

Full forecast, live map & seat recommendations

YUL to LHR turbulence forecast app
Flight turbulence tracker
Real-time turbulence map

Similar routes

Other popular routes with turbulence data

YYZ → LHR
Toronto → London
Moderate
BOS → LHR
Boston → London
Light
JFK → LHR
New York → London
Moderate
YYZ → CDG
Toronto → Paris
Moderate
EWR → LHR
Newark → London
Moderate
See all transatlantic flights →
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Frequently asked questions

Is the Montreal to London flight turbulent?
The YUL–LHR route typically experiences light turbulence. Moderate turbulence expected — fasten seatbelt when seated. The turbulence score for this route is 56/100.
When is turbulence worst on YUL to LHR?
Turbulence peaks mid-flight over the Atlantic. First and last hour are usually smooth. Check the turbulence chart above for the typical pattern along this specific route.
Which seat is smoothest on YUL to LHR?
Wing seats are always the smoothest. On a Airbus A330 (the most common aircraft on this route), that's rows 18–30. Avoid the very rear of the aircraft — it amplifies turbulence motion.
How long is the flight from YUL to LHR?
The YUL to LHR flight takes approximately 6h 45m, covering 3,357 miles (2,918 nautical miles).
Which airlines fly YUL to LHR?
The main airlines operating this route are Air Canada, British Airways, flying Airbus A330 · Boeing 767 aircraft.