ORD
Chicago O'Hare International Airport
✈
LHR
London Heathrow Airport
Distance
3,425 nm
Altitude
39,000 ft
Est. Duration
7h 57m
Route Information
Departure

ORD (ORD)

Distance

6,343.8 km (3,425.4 nautical miles)

Arrival

LHR (LHR)

Flight Time

495 minutes (8h 15m)

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
💙
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 ORD → LHR
15 pilot reports along this route
15 / 15
Reporting smooth
0 / 15
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
ARP VIR3N 5248N01117W 0853 F360 MALOT 0912 5401N02000W MS54 268/64 KT GVPOP DDL ORK 010853 J30A
5m ago
Smooth
ARP UAL123 5628N01944W 0852 F380 5630N02000W 0853 5731N03000W MS51 281/39 KT N23983 DDL XXF 010852 L30A
6m ago
Smooth
ARP AAL136 5722N03511W 0851 F350 5700N03000W 0912 5600N02000W MS54 311/20 KT N736AT QXT AOE 010851 F88A
7m ago
Smooth
ARP AFR025 5619N03242W 0851 F370 5558N03001W 0902 5528N02001W MS54 285/26 KT FGZND QXT EUA 010851 F50A
7m ago
Smooth
ARP UAL938 5504N02205W 0851 F350 5500N02000W 0900 VENER MS56 245/26 KT N665UA DDL XXN 010851 F42A
7m ago
AI-powered flight briefing
12,500 data points analyzed · HIGH confidence
Your Flight

We analysed more than 12,500 data points along your route from Chicago O'Hare International Airport, Chicago to London Heathrow Airport, London.

Your Journey Beta

2 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 smooth with possible light bumps, with calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 42 knots. These winds are favorable and may get you there up to 32 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 8h 15min
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
Moderate
2:26-2:55
Smooth
2:55-3:24
Smooth
3:24-3:53
Smooth
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
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
ORD Chicago O'Hare International Airport - Departure
Visibility
5 mi
Wind
14 kt G22 (90°)
Sky
Few Clouds
Temperature
21°C
Conditions
MVFR - Reduced visibility, minor delays possible
LHR London Heathrow Airport - Arrival
Wind
6 kt (320°)
Sky
NSC
Temperature
19°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, not a forecast. Glide ORD → LHR through soft clouds, nothing to crash into.