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
💙
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 AIZ991 5700N02004W 0418 F360 5700N03000W 0501 5600N04000W MS50 275/22 KT 9HHFJ QXT AOE 020418 J54A
2m ago
Smooth
ARP DAL56 5532N06018W 0417 F390 DORYY 0431 5700N05000W MS56 229/23 KT N410DZ DDL IG1 020417 J22A
3m ago
Smooth
ARP DHK362 5803N03358W 0417 F320 5702N04001W 0443 5402N05002W MS48 004/7 KT GDHLJ DDL KEF 020417 F67A
3m ago
Smooth
ARP AAL180 5501N01902W 0417 F400 RESNO 0433 NETKI MS47 262/25 KT N806AA QXT AOE 020417 L07A
3m ago
Smooth
ARP FDX6174 5618N04743W 0415 F360 5600N05000W 0425 HOIST MS52 346/8 KT N870FD DDL UAK 020415 F67A
5m 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

2 hours 35 minutes and 3 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 calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 41 knots. These winds are favorable and may get you there up to 35 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 26min
Maximum turbulence expected per segment
Takeoff
Smooth
0:30-1:00
Light
1:00-1:30
Light
1:30-2:00
Light
2:00-2:30
Light
2:30-3:00
Moderate
3:00-3:30
Light
3:30-4:00
Smooth
4:00-4:30
Light
4:30-5:00
Light
5:00-5:30
Smooth
5:30-6:00
Light
6:00-6:29
Light
6:29-6:58
Light
6:58-7:27
Light
7:27-7:56
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
Wind
14 kt G22 (30°)
Sky
Broken
Temperature
21°C
Conditions
MVFR - Reduced visibility, minor delays possible
LGG Liège Airport - Arrival
Wind
5 kt (60°)
Sky
NSC
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, not a forecast. Glide ORD → LGG through soft clouds, nothing to crash into.