ORD
Chicago O'Hare International Airport
✈
LGG
Liège Airport
Distance
3,644 nm
Altitude
39,000 ft
Est. Duration
8h 26m
Route Information
Departure

ORD (ORD)

Distance

6,748.0 km (3,643.6 nautical miles)

Arrival

LGG (LGG)

Estimated Flight Time

506 minutes (8h 26m)

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. 9 bumpier stretches, about 506 min in total.
  • 0:00-1:00 · Takeoff · moderate bumps (~60 min) Noticeable bumps. The seatbelt sign is likely on.
  • 1:00-1:30 · light bumps (~30 min) Light movement. Drinks may ripple.
  • 1:30-2:00 · moderate bumps (~30 min) Noticeable bumps. The seatbelt sign is likely on.
  • 2:00-4:00 · light bumps (~120 min) Light movement. Drinks may ripple.
  • 4:00-4:30 · moderate bumps (~30 min) Noticeable bumps. The seatbelt sign is likely on.
  • 4:30-6:58 · light bumps (~148 min) Light movement. Drinks may ripple.
  • 6:58-7:27 · moderate bumps (~29 min) Noticeable bumps. The seatbelt sign is likely on.
  • 7:27-7:56 · light bumps (~29 min) Light movement. Drinks may ripple.
  • 7:56-8:26 · 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 ORD → LGG
15 pilot reports along this route
15 / 15
Reporting smooth
0 / 15
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
ARP JCO55 5754N02847W 0254 F410 5659N02001W 0326 5559N01500W MS47 272/35 KT GVTLY QXT EUA 150254 M71A
3m ago
Smooth
ARP ICE630 5353N05622W 0253 F380 5658N04958W 0327 6028N03958W MS48 253/47 KT TFISN QXS YAY 150253 A85A
4m ago
Smooth
ARP SAS950 5734N01520W 0252 F350 ERAKA 0311 ETSOM MS46 228/86 KT SEDMR DDL IG1 150252 J52A
5m ago
Smooth
ARP UAL91 5626N01658W 0251 F360 5701N02000W 0305 5731N03000W MS44 359/81 KT N13018 DDL XXF 150251 L33A
6m ago
Smooth
ARP DAL258 5407N05640W 0249 F350 5558N04959W 0318 5628N04000W MS49 240/50 KT N806NW DDL YAY 150249 J56A
8m ago
AI-powered flight briefing
13,000 data points analyzed · HIGH confidence
Your Flight

We analysed more than 13,000 data points along your route from Chicago O'Hare International Airport, Chicago to Liège Airport, Grâce-Hollogne.

Your Journey Beta

26 minutes, 44 minutes, and 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 a bit bumpy initially, with calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 72 knots. These winds are favorable and may get you there up to 49 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 8h 26min
Maximum turbulence expected per segment
Takeoff
Moderate
0:30-1:00
Moderate
1:00-1:30
Light
1:30-2:00
Moderate
2:00-2:30
Light
2:30-3:00
Light
3:00-3:30
Light
3:30-4:00
Light
4:00-4:30
Moderate
4:30-5:00
Light
5:00-5:30
Light
5:30-6:00
Light
6:00-6:29
Light
6:29-6:58
Light
6:58-7:27
Moderate
7:27-7:56
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
ORD Chicago O'Hare International Airport - Departure
Wind
11 kt (40°)
Sky
Broken
Temperature
16°C
Conditions
MVFR - Reduced visibility, minor delays possible
LGG Liège Airport - Arrival
Wind
6 kt (180°)
Sky
NSC
Temperature
11°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 ORD → LGG, with soft clouds where today's forecast shows bumpier air. Nothing to crash into.