United Airlines DEN KOA UA511
United Airlines · Live forecast
DEN → KOA
UA511 · Mar 16, 2026 · 16:00 MD
84
Calm Score
"A smooth ride ahead — sit back and enjoy."
4h 55m
Duration
2,890 nm
Distance
40,000 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
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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 DEN → KOA
3 pilot reports along this route
3 / 3
Reporting smooth
0 / 3
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
OGG UA /OV OGG024003/TM 0841/FL009/TP B789/SK SCT009/RM SMOOTH RIDE
38m ago
Smooth
DEN UA /OV DEN/TM 0835/FL080/TP B737/TB NEG/IC NEG
44m ago
Smooth
ARP UAL2402 3825N 11805W 0835 F310 340/068 TB SMTH IC
44m ago
AI-powered flight briefing
10,500 data points analyzed · HIGH confidence
Your Flight

We analysed more than 10,500 data points along your route from Denver International Airport, Denver to Ellison Onizuka Kona International Airport at Keahole, Kailua-Kona.

Your Journey Beta

A brief bumpy patch may occur during cruise. It's nothing to worry about - just keep your seatbelt fastened.

Your route takes you over the Rocky Mountains, over the Sierra Nevada, and crossing the North Pacific Ocean – these areas can sometimes cause 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 52 knots.

Landing

Landing should feel smooth 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 4h 55min
Maximum turbulence expected per segment
Takeoff
Moderate
0:30-1:00
Light
1:00-1:30
Light
1:30-2:00
Light
2:00-2:29
Light
2:29-2:58
Light
2:58-3:27
Light
3:27-3:56
Light
3:56-4:25
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
DEN Denver International Airport — Departure
Wind
7 kt (40°)
Sky
Broken
Temperature
-14°C
Conditions
VFR — Clear conditions, no delays expected
KOA Ellison Onizuka Kona International Airport at Keahole — Arrival
Wind
16 kt (210°)
Sky
Broken
Temperature
24°C
Conditions
VFR — Clear conditions, no 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.