United Airlines ORD GRB UA4609
United Airlines · Live forecast
ORD → GRB
UA4609 · Mar 16, 2026 · 18:45 CD
57
Calm Score
"Some bumps expected — keep your seatbelt fastened."
1h 7m
Duration
151 nm
Distance
24,000 ft
Cruise Altitude
HIGH
Confidence
Turbulence comfort along route
Comfort score combines turbulence probability with intensity — higher means rougher
Smooth Light Moderate Severe
Set an alert before your flight Beta
You still have 11 hours before departure. We'll notify you if this forecast changes.
💙
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 you'll be completely safe. 1 in 3 passengers feel exactly like you.
Right now on your route
Live pilot reports from aircraft flying ORD → GRB
14 pilot reports along this route
6 / 14
Reporting smooth
5 / 14
Light turbulence
3
Moderate or worse
Latest pilot reports
Smooth
ORD UA /OV ORD/TM 1233/FLSFC/TP B787/RM BRAKING ACTION GOOD RWY 27C
5m ago
Moderate
OKK UA /OV OKK320045/TM 1228/FL140/TP E75S/TB CONS MOD CHOP FL145-170
10m ago
Smooth
UES UA /OV BAE087073/TM 1228/FL360/TP CL60/TB NEG
10m ago
Light
BIV UA /OV PMM330015/TM 1226/FL320/TP A321/TB CONS MOF CHOP FL320/ OCNL LGT CHOP FL300
12m ago
Smooth
MDW UUA /OV MDW/TM 1225/FLDURD/TP B737/SK OVC009/RM LLWS +/-10 KT 020-SFC DURD RY31R MDW
13m ago
AI-powered flight briefing
600 data points analyzed · HIGH confidence
Your Flight

We analysed more than 600 data points along your route from Chicago O'Hare International Airport, Chicago to Austin Straubel International Airport, Green Bay.

Your Journey Beta

22 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 directly to your destination.

Some Bumps Ahead

There are a couple of short sections with bumps, but nothing out of the ordinary. Turbulence can feel uncomfortable, but it is not dangerous. Aircraft are designed to handle it easily. Pilots often adjust altitude or route to find smoother air.

Takeoff

Takeoff should feel smooth with possible light bumps, with calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 21 knots.

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 1h 07min
Maximum turbulence expected per segment
Takeoff
Light
0:15-0:34
Moderate
0:34-0:52
Moderate
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
Visibility
2 mi
Wind
18 kt G28 (300°)
Sky
Broken
Temperature
-4°C
Conditions
IFR — Low visibility, delays likely
GRB Austin Straubel International Airport — Arrival
Visibility
0 mi
Wind
17 kt G30 (320°)
Sky
Broken
Temperature
-7°C
Conditions
LIFR — Very poor visibility, significant delays expected
Your flight details
Departure timing and aircraft information
Evening Flight Departure
Time of day
Evening Flight
Tip
Evening and night flights typically offer smoother conditions as thermal activity subsides and the atmosphere stabilizes after sunset.
When
Today
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.