Your Flight
We analysed more than 11,000 data points along your route from Toronto Lester B. Pearson International Airport, Toronto to London Heathrow Airport, London.
British Airways
YYZ
LHR
BA92
British Airways · Live forecast
YYZ
→
LHR
77
Calm Score
"Mostly smooth — one short bumpy section you'll handle."
8h 10m
Duration
3,082 nm
Distance
39,000 ft
Cruise Altitude
HIGH
Confidence
Turbulence comfort along route
Comfort score combines turbulence probability with intensity — higher means rougher
Smooth
Light
Moderate
Severe
Set an alert before your flight
Beta
You still have 8 hours before departure. We'll notify you if this forecast changes.
We know turbulence can feel scary — especially on long flights.
This report is built for you: what bumps feel like, when they happen, and why you'll be completely safe. 1 in 3 passengers feel exactly like you.
Right now on your route
Live pilot reports from aircraft flying YYZ → LHR
15 pilot reports along this route
15 / 15
Reporting smooth
0 / 15
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
ARP UAL928 5545N03349W 1330 F340 5502N04001W 1400 5302N05001W MS47 251/29 KT N669UA DDL XXF 161331 F78A
3m ago
Smooth
ARP DAL59 5431N02409W 1330 F320 5500N03000W 1358 5400N04000W MS44 227/93 KT N433DX DDL IG1 161330 J56A
3m ago
Smooth
ARP UAL914 5435N 02447W 1330 F370 M42 221/74 5500N 03000W 1354 5400N 04000W KT N79011 DDL XXF 161330 F48A
3m ago
Smooth
ARP AAL45 5406N02043W 1330 F390 5500N03000W 1414 5400N04000W MS49 352/93 KT N809AA DDL XXN 161330 L69A
3m ago
Smooth
ARP DAL209 5557N03105W 1329 F340 5501N04000W 1411 5301N05001W MS44 236/31 KT N199DN QXT IGW 161329 F95A
4m ago
AI-powered flight briefing
11,000 data points analyzed
· HIGH confidence
Your Journey Beta
6 hours into the flight: Some moderate bumps expected.
The crew may adjust altitude or ask you to stay seated during these sections.
The rest of the flight should be smooth.
Your route takes you over the Appalachian Mountains and crossing the North Atlantic Ocean – these areas can sometimes cause light turbulence.
Mostly Smooth
Overall conditions look mostly smooth with occasional light bumps. Nothing to worry about.
Takeoff
Takeoff should feel smooth with possible light bumps, with calm conditions around the airport.
Winds Aloft
Winds at cruising altitude are about 74 knots. These winds are favorable and may get you there up to 47 minutes early.
Landing
Landing should feel a bit bumpy on descent with typical approach conditions.
You're in Safe Hands
If you feel nervous at any point, remember that turbulence is expected, safe, and part of normal flying. The crew is monitoring everything, and the aircraft is built to handle far more than anything you will feel. Have a safe and calm flight.
Relaxation Exercises
ZeroTurb Index (ZTI): Powered by our turbulence prediction algorithm combining atmospheric Richardson Number, wind shear analysis, temperature gradients, and geomagnetic activity. Learn more
Flight Timeline 8h 10min
Maximum turbulence expected per segment
Takeoff
Light
0:30-0:59
Light
0:59-1:28
Light
1:28-1:57
Light
1:57-2:26
Light
2:26-2:55
Light
2:55-3:24
Light
3:24-3:53
Light
3:53-4:22
Light
4:22-4:51
Light
4:51-5:20
Light
5:20-5:48
Light
5:48-6:16
Moderate
6:16-6:44
Light
6:44-7:12
Moderate
7:12-7:40
Moderate
Landing
Light
Smooth
Light
Moderate
Severe
Longer bars indicate higher turbulence intensity. Values shown are the maximum for each time segment.
Airport conditions
Live weather at departure and arrival
YYZ
Toronto Lester B. Pearson International Airport — Departure
Visibility
10+ mi
Wind
18 kt G28 (240°)
Sky
Overcast
Temperature
12°C
Conditions
VFR — Clear conditions, no delays expected
LHR
London Heathrow Airport — Arrival
Wind
19 kt (260°)
Sky
Broken
Temperature
11°C
Conditions
VFR — Clear conditions, no delays expected
Your flight details
Departure timing and aircraft information
Evening Flight Departure
Time of day
Evening Flight
Tip
Evening and night flights typically offer smoother conditions as thermal activity subsides and the atmosphere stabilizes after sunset.
When
Today
boeing 777-236(er)
Category
Wide-Body Aircraft
Size
Large
Comfort
Large, twin-aisle aircraft like this generally provide the smoothest ride through turbulence due to their size, weight, and advanced stabilization systems.
Data sources & our approach
ZeroTurb's Custom Algorithm: Our proprietary
ZeroTurb Index (ZTI) combines three meteorological indices weighted by their
predictive accuracy — giving you transparent, passenger-focused turbulence probability instead
of vague categories.
This forecast integrates data from:
- ECMWF Open Data — Global atmospheric model (wind/temperature at 13 flight levels)
- NOAA Aviation Weather Center — Pilot Reports (PIREPs), SIGMETs/AIRMETs, TAFs
- NOAA Space Weather Prediction Center — Aurora forecasts for polar routes
- AviationStack API — Flight schedules and airline operational data
Disclaimer: This forecast is for informational purposes only. Always consult official aviation weather sources and follow ATC guidance.