Your Flight
We analysed more than 8,000 data points along your route from Los Angeles International Airport, Los Angeles to John F Kennedy International Airport, New York.
Delta Air Lines
LAX
JFK
DL939
Delta Air Lines · Live forecast
LAX
→
JFK
Also sold as:
48
Calm Score
"Some bumps expected — keep your seatbelt fastened."
5h 27m
Duration
2,146 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 18 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 LAX → JFK
7 pilot reports along this route
4 / 7
Reporting smooth
3 / 7
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
JFK UA /OV KJFK225002/TM 0154/FL003/TP CRJ9/SK OVC003
4m ago
Light
CEZ UA /OV DVC270035/TM 0149/FL350/TP B38M/TB OCNL LGT CHOP/RM ZDVWC-23
9m ago
Light
CEZ UA /OV DVC/TM 0148/FL370/TP E75L/TB LGT CHOP/RM ZDVWC-64
10m ago
Light
GCK UA /OV GCK310075/TM 0146/FL330/TP B77L/TB OCNL LGT/RM ZDVWC-17
12m ago
Smooth
VNY UA /OV 1N VNY/TM 0145/FL015/TP H25A/WV LOSS OF 10KTS ON FINAL/RM -10KTS DURD
13m ago
AI-powered flight briefing
8,000 data points analyzed
· HIGH confidence
Your Journey Beta
2 hours into the flight: Expect more intense turbulence. Keep your seatbelt fastened.
44 minutes and 4 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 Sierra Nevada, over the Rocky Mountains, and over the Appalachian Mountains – these areas can sometimes cause turbulence.
Some Bumps Ahead
There are a couple of short sections with bumps, but nothing out of the ordinary. Turbulence can feel uncomfortable, but it is not dangerous. Aircraft are designed to handle it easily. Pilots often adjust altitude or route to find smoother air.
Takeoff
Takeoff should feel smooth with possible light bumps, with calm conditions around the airport.
Winds Aloft
Standard wind conditions expected at cruising altitude.
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 5h 27min
Maximum turbulence expected per segment
Takeoff
Light
0:30-1:00
Moderate
1:00-1:30
Moderate
1:30-2:00
Moderate
2:00-2:30
Moderate
2:30-3:00
Severe
3:00-3:30
Moderate
3:30-3:59
Moderate
3:59-4:28
Moderate
4:28-4:57
Moderate
Landing
Moderate
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
LAX
Los Angeles International Airport — Departure
Wind
8 kt (250°)
Sky
Few
Temperature
19°C
Conditions
VFR — Clear conditions, no delays expected
JFK
John F Kennedy International Airport — Arrival
Wind
10 kt (140°)
Sky
Scattered
Temperature
13°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
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.