PHX IAD

Phoenix Sky Harbor International Airport Washington Dulles International Airport
Route Information
Departure

PHX (PHX)

Distance

3,141.0 km (1,696.0 nautical miles)

Arrival

IAD (IAD)

Flight Time

373 minutes (6h 13m)

Flight Profile

Cruise Altitude: 39,000 ft (Flight Level 390)

Route calculated using great circle navigation

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
8.7 /10
Smoothness
Smooth Flight
48%
Smooth
50%
Light
2%
Moderate
AI-Powered Flight Briefing
📊 6,000 data points analyzed HIGH Confidence
Your Flight

We analysed more than 6,000 data points along your route from Phoenix Sky Harbor International Airport, Phoenix to Washington Dulles International Airport, Dulles.

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 across the Sonoran Desert, over the Rocky Mountains, and over the Appalachian Mountains – 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 smooth, with calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 70 knots. These winds are favorable and may get you there up to 29 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 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 6h 13min
Maximum turbulence expected per segment
Takeoff
Smooth
0:30-0:59
Light
0:59-1:28
Light
1:28-1:57
Light
1:57-2:26
Light
2:26-2:55
Light
2:55-3:23
Light
3:23-3:51
Light
3:51-4:19
Light
4:19-4:47
Light
4:47-5:15
Light
5:15-5:43
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
Forecast
28°C (Now)
Clear • 8 kt • VFR — Clear conditions, no delays expected
Arrival
IAD
Forecast
4°C (Now)
Overcast • 7 kt • LIFR — Very poor visibility, significant delays expected

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.