Your Flight
We analysed more than 10,000 data points along your route from Lisbon Humberto Delgado Airport, Lisbon to Montreal / Pierre Elliott Trudeau International Airport, Montréal.
Air Canada
LIS
YUL
AC813
Air Canada · Live forecast
LIS
→
YUL
87
Calm Score
"A smooth ride ahead — sit back and enjoy."
7h 25m
Duration
2,827 nm
Distance
40,000 ft
Cruise Altitude
HIGH
Confidence
Turbulence comfort along route
Comfort score combines turbulence probability with intensity, higher means rougher
Smooth
Light
Moderate
Severe
Notifications not available
This flight has already departed.
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 LIS → YUL
15 pilot reports along this route
15 / 15
Reporting smooth
0 / 15
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
ARP DAL202 4818N04903W 2202 F370 5058N03959W 2249 5258N03000W MS54 313/27 KT N424DX DDL YYT 262202 J63A
10m ago
Smooth
ARP ETD6HZ 4814N04618W 2201 F350 4959N03959W 2233 5259N03000W MS49 270/15 KT A6BLN QXS YYT 262201 L34A
11m ago
Smooth
ARP DAL240 4721N04859W 2157 F370 4959N03959W 2244 5159N03000W MS53 292/49 KT N406DX DDL IG1 262157 J01A
15m ago
Smooth
ARP EDW18H 4914N04719W 2157 F430 4901N05000W 2211 JOOPY MS50 281/24 KT HBIHB DDL XXH 262158 J01A
15m ago
Smooth
ARP EXS68FM 4254N01436W 2156 F350 NILAV 2214 4850N01200W MS45 129/41 KT GJZBL DDL VGO 262156 M05A
16m ago
AI-powered flight briefing
10,000 data points analyzed
· HIGH confidence
Your Journey Beta
1 hour and 4 hours 20 minutes 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 crossing the North Atlantic Ocean and over the Appalachian Mountains – these areas can sometimes cause light turbulence.
Smooth Flight
We're expecting smooth conditions throughout your flight. You can sit back and relax.
Takeoff
Takeoff should feel smooth with possible light bumps, with calm conditions around the airport.
Winds Aloft
Winds at cruising altitude are about 35 knots. These winds are favorable and may get you there a few minutes early.
Landing
Landing should feel smooth with possible light bumps 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 7h 25min
Maximum turbulence expected per segment
Takeoff
Light
0:30-1:00
Light
1:00-1:30
Moderate
1:30-2:00
Light
2:00-2:30
Light
2:30-3:00
Smooth
3:00-3:30
Light
3:30-4:00
Smooth
4:00-4:30
Moderate
4:30-4:59
Light
4:59-5:28
Light
5:28-5:57
Smooth
5:57-6:26
Smooth
6:26-6:55
Smooth
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
LIS
Lisbon Humberto Delgado Airport — Departure
Wind
12 kt (330°)
Sky
Few
Temperature
20°C
Conditions
VFR — Clear conditions, no delays expected
YUL
Montreal / Pierre Elliott Trudeau International Airport — Arrival
Visibility
10+ mi
Wind
6 kt (220°)
Sky
Scattered
Temperature
30°C
Conditions
VFR — Clear conditions, no delays expected
Your flight details
Departure timing and aircraft information
Morning Flight Departure
Time of day
Morning Flight
Tip
Morning flights typically experience smoother conditions as the atmosphere is more stable and thermal turbulence hasn't yet developed.
When
Today
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.