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ORD to LHR Turbulence Forecast

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

Live forecast
ORD
→
LHR
Chicago · London · 8h 40m
63
Turb Score
8h 40m
Duration
3,360 nm
Distance
38,000 ft
Cruise Alt.
Moderate
Typical
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Typical turbulence along the route

Historical average pattern for ORD–LHR

Smooth Light Moderate
0h1h2h3h4h5h6h8h 40m
Smooth
Light
Moderate
Heavy

About the ORD–LHR route

The Chicago to London route crosses the North Atlantic, where the jet stream is the primary source of turbulence. Flying at 38,000 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 United Airlines, American Airlines, British Airways on Boeing 777 · Boeing 787 aircraft, with flights typically cruising at 38,000 feet over a distance of 3,868 miles (3,360 nautical miles).

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

Turbulence levels on ORD–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 ORD–LHR

Turbulence by month

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

Best seat on ORD–LHR

Boeing 777

Front
Rows 1–19
Light
✓ Wing
Rows 20–36
Smoothest
Rear
Rows 37+
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

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

Similar routes

Other popular routes with turbulence data

JFK → LHR
New York → London
Moderate
EWR → LHR
Newark → London
Moderate
LAX → LHR
Los Angeles → London
Light

Frequently asked questions

Is the Chicago to London flight turbulent?
The ORD–LHR route typically experiences moderate turbulence. Moderate turbulence expected — fasten seatbelt when seated. The turbulence score for this route is 63/100.
When is turbulence worst on ORD 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 ORD to LHR?
Wing seats are always the smoothest. On a Boeing 777 (the most common aircraft on this route), that's rows 20–36. Avoid the very rear of the aircraft — it amplifies turbulence motion.
How long is the flight from ORD to LHR?
The ORD to LHR flight takes approximately 8h 40m, covering 3,868 miles (3,360 nautical miles).
Which airlines fly ORD to LHR?
The main airlines operating this route are United Airlines, American Airlines, British Airways, flying Boeing 777 · Boeing 787 aircraft.