Your Flight
We analysed more than 12,000 data points along your route from John F Kennedy International Airport, New York to Geneva Cointrin International Airport, Geneva.
Swiss
JFK
GVA
LX23
Swiss · Live forecast
JFK
→
GVA
79
Calm Score
"Mostly smooth — one short bumpy section you'll handle."
8h 45m
Duration
3,348 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 20 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 JFK → GVA
15 pilot reports along this route
15 / 15
Reporting smooth
0 / 15
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
ARP UAL42 4919N 03729W 0422 F360 M55 336/129 4959N 03000W 0457 5059N 02000W KT N2748U DDL XXH 170422 F70A
1m ago
Smooth
ARP UAL904 4910N 04848W 0421 F370 M60 316/89 5000N 04000W 0503 5100N 03000W KT N677UA DDL YYT 170421 F33A
2m ago
Smooth
ARP RCH1808 4932N 04950W 0421 F310 M45 300/83 4930N 05000W 0422 IBERG KT 99205A DDL XXN 170422 F11A
2m ago
Smooth
ARP EIN1YL 5130N02604W 0421 F350 5200N02000W 0449 LIMRI MS46 247/30 KT EILRB DDL IG1 170422 J07A
2m ago
Smooth
ARP ACA808 4732N05509W 0419 F390 NICSO 0433 4800N05000W MS63 302/63 KT CGHPT DDL YDF 170419 L58A
4m ago
AI-powered flight briefing
12,000 data points analyzed
· HIGH confidence
Your Journey Beta
2 hours 20 minutes, 5 hours 25 minutes, and 5 hours 35 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 over the Appalachian Mountains, crossing the North Atlantic Ocean, and over the Alps – these areas can sometimes cause 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 75 knots. These winds are favorable and may get you there up to 40 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 45min
Maximum turbulence expected per segment
Takeoff
Light
0:30-1:00
Light
1:00-1:29
Light
1:29-1:58
Light
1:58-2:27
Moderate
2:27-2:56
Light
2:56-3:25
Light
3:25-3:54
Light
3:54-4:23
Light
4:23-4:52
Light
4:52-5:21
Light
5:21-5:50
Moderate
5:50-6:19
Light
6:19-6:48
Light
6:48-7:17
Light
7:17-7:46
Moderate
7:46-8:15
Light
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
JFK
John F Kennedy International Airport — Departure
Visibility
0 mi
Wind
21 kt G30 (280°)
Sky
Scattered
Temperature
10°C
Conditions
LIFR — Very poor visibility, significant delays expected
GVA
Geneva Cointrin International Airport — Arrival
Wind
3 kt (40°)
Sky
Few
Temperature
1°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
Tomorrow — conditions may change
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.