American Airlines PHX DEN AA3366
American Airlines
FLIGHT
AA3366
PHX
Phoenix Sky Harbor International Airport
16:17
04 Mar
Now: --:-- MS
1 h 58 m
DEN
Denver International Airport
18:15
04 Mar
Now: --:-- MS
Altitude: 31,000ft (9.4km) Distance: 523 nm Duration: 1 h 58 m
ALTITUDE
31,000ft
DISTANCE
523 nm
DURATION
1 h 58 m
Times and gates subject to change. Verify with airline.
Turbulence Comfort Along Route Comfort View
Comfort Score: Combines turbulence probability (GTG forecast) with intensity (ZTI analysis). High scores indicate both high probability AND high intensity turbulence.
Smooth
Light
Moderate
Severe
Flight Smoothness Score
7.9 /10
Smoothness
Mostly Smooth
24%
Smooth
67%
Light
10%
Moderate
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AI-Powered Flight Briefing
📊 2,000 data points analyzed HIGH Confidence
Your Flight

We analysed more than 2,000 data points along your route from Phoenix Sky Harbor International Airport, Phoenix to Denver International Airport, Denver.

Your Journey Beta

Some bumpy patches are scattered throughout the flight. Keep your seatbelt fastened when seated.

Your route takes you across the Sonoran Desert and over the Rocky Mountains – these areas can sometimes cause light turbulence.

Mostly Smooth

Overall conditions look mostly smooth with occasional light bumps. Nothing to worry about.

Takeoff

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

Winds Aloft

Winds at cruising altitude are about 37 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 proprietary turbulence prediction algorithm combining atmospheric Richardson Number, wind shear analysis, temperature gradients, and geomagnetic activity for precise, real-time forecasting. Learn more
Live data from ECMWF global forecast models • 12 atmospheric pressure levels analyzed • Updated every 6 hours
Flight Timeline 1h 58min
Maximum turbulence expected per segment
Takeoff
Smooth
0:20-0:46
Light
0:46-1:12
Light
1:12-1:38
Light
Landing
Moderate
Smooth
Light
Moderate
Severe
Longer bars indicate higher turbulence intensity. Values shown are the maximum for each time segment.
Turbulence Metrics ZTI and EDR (scaled)
ZTI Scale
Smooth
<12
Light
12-30
Moderate
30-45
Severe
>45
EDR Scale
Smooth
<6
Light
6-24
Moderate
24-42
Severe
>42

Airport Weather
Departure
PHX
At Departure
29°C (Now)
Broken • 6 kt • VFR — Clear conditions, no delays expected
Arrival
DEN
At Arrival
6°C (Now)
Clear • 6 kt • VFR — Clear conditions, no delays expected
🌙 Evening Flight

Evening and night flights typically offer smoother conditions as thermal activity subsides and the atmosphere stabilizes after sunset.

Looking for more detailed analysis?

Data Sources & Our Approach
ZeroTurb's Custom Algorithm: We've developed a proprietary ZeroTurb Index (ZTI) algorithm that combines three meteorological indices weighted by their predictive accuracy. This gives 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.

How accurate are turbulence alerts? Alerts are based on updated forecast models and pilot reports, and can change as departure approaches.