MIA
Miami International Airport
✈
LHR
London Heathrow Airport
Distance
3,839 nm
Altitude
39,000 ft
Est. Duration
8h 52m
Route Information
Departure

MIA (MIA)

Distance

7,108.9 km (3,838.5 nautical miles)

Arrival

LHR (LHR)

Flight Time

540 minutes (9h 0m)

Flight Profile

Cruise Altitude: 39,000 ft (Flight Level 390)

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. 10 bumpier stretches, about 480 min in total.
  • 0:00-1:00 · Takeoff · moderate bumps (~60 min) Noticeable bumps. The seatbelt sign is likely on.
  • 1:00-2:00 · light bumps (~60 min) Light movement. Drinks may ripple.
  • 2:00-2:30 · moderate bumps (~30 min) Noticeable bumps. The seatbelt sign is likely on.
  • 2:30-3:30 · light bumps (~60 min) Light movement. Drinks may ripple.
  • 3:30-4:00 · moderate bumps (~30 min) Noticeable bumps. The seatbelt sign is likely on.
  • 4:00-4:30 · light bumps (~30 min) Light movement. Drinks may ripple.
  • 4:30-5:30 · smooth
  • 5:30-6:30 · light bumps (~60 min) Light movement. Drinks may ripple.
  • 6:30-7:00 · moderate bumps (~30 min) Noticeable bumps. The seatbelt sign is likely on.
  • 7:00-8:30 · light bumps (~90 min) Light movement. Drinks may ripple.
  • 8:30-9:00 · Landing · moderate bumps (~30 min) Noticeable bumps. The seatbelt sign is likely on.
💙
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 MIA → LHR
15 pilot reports along this route
15 / 15
Reporting smooth
0 / 15
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
ARP DAL224 5032N02540W 0325 F380 5059N02000W 0348 5059N01500W MS46 243/82 KT N405DX DDL IG1 150325 J87A
2m ago
Smooth
ARP DLH413 4718N04836W 0324 F390 4858N03959W 0405 5058N02959W MS52 262/43 KT DAIXT DDL XXH 150325 J83A
3m ago
Smooth
ARP JBU31 5033N03739W 0324 F350 5159N03000W 0400 5259N02000W MS50 303/68 KT N4080J QXT IGW 150324 J62A
3m ago
Smooth
ARP UAL14 4942N03655W 0323 F370 5058N02959W 0354 5158N02000W MS51 295/67 KT N57016 DDL XXN 150323 F53A
4m ago
Smooth
ARP BAW9HL 4949N03630W 0323 F410 5100N03000W 0352 5200N02000W MS50 295/59 KT GXWBS DDL XXH 150324 J01A
4m 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 Miami International Airport, Miami to London Heathrow Airport, London.

Your Journey Beta

15 minutes, 37 minutes, and 7 hours 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.

Smooth Flight

We're expecting smooth conditions throughout your flight. You can sit back and relax.

Takeoff

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

Winds Aloft

Winds at cruising altitude are about 63 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
Live data from ECMWF global forecast models · 12 atmospheric pressure levels · Updated every 6 hours
Flight Timeline 9h 00min
Maximum turbulence expected per segment
Takeoff
Moderate
0:30-1:00
Moderate
1:00-1:30
Light
1:30-2:00
Light
2:00-2:30
Moderate
2:30-3:00
Light
3:00-3:30
Light
3:30-4:00
Moderate
4:00-4:30
Light
4:30-5:00
Smooth
5:00-5:30
Smooth
5:30-6:00
Light
6:00-6:30
Light
6:30-7:00
Moderate
7:00-7:30
Light
7:30-8:00
Light
8:00-8:30
Light
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
MIA Miami International Airport - Departure
Wind
11 kt (60°)
Sky
Few
Temperature
29°C
Conditions
VFR - Clear conditions, no delays expected
LHR London Heathrow Airport - Arrival
Wind
9 kt (190°)
Sky
Broken
Temperature
16°C
Conditions
VFR - Clear conditions, no delays expected
Your flight details
Departure timing and aircraft information
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 MIA → LHR, with soft clouds where today's forecast shows bumpier air. Nothing to crash into.