LHR
London Heathrow Airport
✈
MIA
Miami International Airport
Distance
3,839 nm
Altitude
40,000 ft
Est. Duration
8h 52m
Route Information
Departure

LHR (LHR)

Distance

7,108.9 km (3,838.5 nautical miles)

Arrival

MIA (MIA)

Flight Time

580 minutes (9h 40m)

Flight Profile

Cruise Altitude: 40,000 ft (Flight Level 400)

Route calculated using great circle navigation

Turbulence comfort along route
Comfort score combines turbulence probability with intensity, higher means rougher
Smooth Light Moderate Severe
Your flight, stretch by stretch
Some bumps expected. 2 bumpier stretches, about 550 min in total.
  • 0:00-0:59 · Takeoff · moderate bumps (~59 min) Noticeable bumps. The seatbelt sign is likely on.
  • 0:59-9:10 · light bumps (~491 min) Light movement. Drinks may ripple.
  • 9:10-9:40 · Landing · smooth
💙
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 they don't put the aircraft in danger. Many passengers feel exactly the same way.
Right now on your route
Live pilot reports from aircraft flying LHR → MIA
15 pilot reports along this route
15 / 15
Reporting smooth
0 / 15
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
ARP IBE03CP 4734N03801W 1921 F380 4730N04000W 1933 4630N05000W MS61 289/64 KT ECNLP DDL XXH 301921 J21A
1m ago
Smooth
ARP THY41J 4417N04921W 1919 F350 4759N03959W 2008 4959N03000W MS50 266/78 KT TCLMD QXT AME 301919 L92A
3m ago
Smooth
ARP DAL9889 5244N01359W 1915 F340 MALOT 1920 5400N02000W MS49 191/98 KT N839MH QXS ORK 301915 F27A
7m ago
Smooth
ARP AAL142 5129N02601W 1915 F350 5159N02000W 1941 5159N01500W MS47 226/50 KT N770AN QXT EUA 301915 F68A
7m ago
Smooth
ARP DAL9889 5234N01320W 1912 F340 MALOT 1920 5400N02000W MS49 189/97 KT N839MH QXS ORK 301912 F26A
10m ago
AI-powered flight briefing
14,000 data points analyzed · HIGH confidence
Your Flight

We analysed more than 14,000 data points along your route from London Heathrow Airport, London to Miami International Airport, Miami.

Your Journey Beta

40 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 – conditions there can sometimes cause light turbulence.

Mostly Smooth

Overall conditions look mostly smooth with occasional light bumps. Nothing to worry about.

Takeoff

Takeoff should feel a bit bumpy initially, with calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 67 knots. These winds may delay arrival by up to 54 minutes.

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 9h 40min
Maximum turbulence expected per segment
Takeoff
Moderate
0:30-0:59
Moderate
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
8:14-8:42
Light
8:42-9:10
Light
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
LHR London Heathrow Airport - Departure
Wind
5 kt (100°)
Sky
Few
Temperature
12°C
Conditions
VFR - Clear conditions, no delays expected
MIA Miami International Airport - Arrival
Wind
8 kt (70°)
Sky
Scattered
Temperature
30°C
Conditions
VFR - Clear conditions, no delays expected
Your flight details
Departure timing and aircraft information
a388
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. Glide LHR → MIA, with soft clouds where today's forecast shows bumpier air. Nothing to crash into.