United Airlines IAD LHR UA924
United Airlines · Live forecast
IAD → LHR
UA924 · Mar 16, 2026 · 23:15 · N76054
80
Calm Score
"A smooth ride ahead — sit back and enjoy."
11h 35m
Duration
3,187 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 IAD → LHR
15 pilot reports along this route
15 / 15
Reporting smooth
0 / 15
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
ARP ACA841 5330N02347W 1239 F340 5401N03000W 1311 5301N04000W MS49 223/111 KT CGHKX DDL XXF 161239 J92A
4m ago
Smooth
ARP ACA879 5135N04514W 1238 F400 5100N05000W 1303 ALLRY MS48 298/64 KT CGHPV DDL XXN 161238 L62A
5m ago
Smooth
ARP TOM246 5255N02127W 1237 F400 5201N03000W 1322 4900N04000W MS49 350/87 KT GTUII DDL XXF 161237 L41A
6m ago
Smooth
ARP BEL1CP 5350N01859W 1237 F360 5401N02000W 1243 5501N03000W MS57 229/113 KT OOSFJ QXT AOE 161237 J74A
6m ago
Smooth
ARP EUK935 5200N02128W 1237 F380 5131N03000W 1323 5001N04000W MS56 225/88 KT GEILA DDL XXN 161238 J75A
6m ago
AI-powered flight briefing
11,500 data points analyzed · HIGH confidence
Your Flight

We analysed more than 11,500 data points along your route from Washington Dulles International Airport, Dulles to London Heathrow Airport, London.

Your Journey Beta

Your route takes you over the Appalachian Mountains and crossing the North Atlantic Ocean – 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 67 knots. These winds are favorable and may get you there up to 43 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
Live data from ECMWF global forecast models · 12 atmospheric pressure levels · Updated every 6 hours
Flight Timeline 11h 35min
Maximum turbulence expected per segment
Takeoff
Light
0:30-0:59
Smooth
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
5:20-5:49
Light
5:49-6:18
Light
6:18-6:47
Light
6:47-7:16
Light
7:16-7:45
Light
7:45-8:14
Light
8:14-8:43
Light
8:43-9:12
Light
9:12-9:41
Light
9:41-10:09
Light
10:09-10:37
Light
10:37-11:05
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
IAD Washington Dulles International Airport — Departure
Wind
18 kt G34 (220°)
Sky
Overcast
Temperature
17°C
Conditions
MVFR — Reduced visibility, minor delays possible
LHR London Heathrow Airport — Arrival
Wind
9 kt (230°)
Sky
Few
Temperature
10°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
N76054
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.