United Airlines LAX LHR UA923
United Airlines · Live forecast
LAX → LHR
UA923 · Jul 17, 2026 · 15:35 PD · N27957
Also sold as: VS8 Virgin Atlantic BA282 British Airways
89
Calm Score
"A smooth ride ahead — sit back and enjoy."
10h 35m
Duration
4,730 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
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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 → LHR
6 pilot reports along this route
6 / 6
Reporting smooth
0 / 6
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
ARP DAL204 6011N03310W 0227 F370 6100N03000W 0241 6200N02000W MS56 300/37 KT N185DN DDL KEF 170227 F83A
6m ago
Smooth
ARP THY4KG 5806N01316W 0221 F360 5801N02000W 0248 5731N03000W MS54 310/16 KT TCLMD QXS BLY 170221 L60A
12m ago
Smooth
ARP SAS908 6052N03025W 0219 F350 6100N03000W 0221 6158N02000W MS52 325/33 KT SEDMO DDL IG1 170220 J80A
14m ago
Smooth
ARP SAS908 6052N03023W 0219 F350 6100N03000W 0221 6158N02000W MS52 326/35 KT SEDMO DDL IG1 170220 J81A
14m ago
Smooth
SAN UA /OV SAN090008/TM 0217/FLDURD/TP B38M/SK BKN024
16m ago
AI-powered flight briefing
17,000 data points analyzed · HIGH confidence
Your Flight

We analysed more than 17,000 data points along your route from Los Angeles International Airport, Los Angeles to London Heathrow Airport, London.

Your Journey Beta

8 hours 15 minutes and 8 hours 25 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 crossing the North Atlantic Ocean – these areas can sometimes cause 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 39 knots. These winds are favorable and may get you there up to 26 minutes early.

Landing

Landing should feel smooth 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
Live data from ECMWF global forecast models · 12 atmospheric pressure levels · Updated every 6 hours
Flight Timeline 10h 35min
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
Smooth
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
Smooth
5:20-5:49
Smooth
5:49-6:18
Smooth
6:18-6:47
Light
6:47-7:16
Light
7:16-7:45
Light
7:45-8:13
Light
8:13-8:41
Moderate
8:41-9:09
Light
9:09-9:37
Light
9:37-10:05
Smooth
Landing
Smooth
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
10 kt (240°)
Sky
Scattered
Temperature
23°C
Conditions
VFR — Clear conditions, no delays expected
LHR London Heathrow Airport — Arrival
Wind
5 kt (30°)
Sky
NSC
Temperature
18°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
N27957
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:

Disclaimer: This forecast is for informational purposes only. Always consult official aviation weather sources and follow ATC guidance.

Fly this route, calmly Game · Beta A calming mini-game, not a forecast. Glide LAX → LHR through soft clouds, nothing to crash into.