Southwest Airlines Co. SFO DEN WN4302
Southwest Airlines Co.
FLIGHT
WN4302
SFO
San Francisco International Airport
2 h 35 m
DEN
Denver International Airport
Aircraft: b753 Altitude: 35,000ft (10.7km) Distance: 838 nm Duration: 2 h 35 m
AIRCRAFT
b753
ALTITUDE
35,000ft
DISTANCE
838 nm
DURATION
2 h 35 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
8.2 /10
Smoothness
Smooth Flight
27%
Smooth
73%
Light
AI-Powered Flight Briefing
📊 3,000 data points analyzed HIGH Confidence
Your Flight

We analysed more than 3,000 data points along your route from San Francisco International Airport, San Francisco to Denver International Airport, Denver.

Your Journey Beta

Your route takes you over the Sierra Nevada and over the Rocky Mountains – these areas 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 possible light bumps, with calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 62 knots.

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 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 2h 35min
Maximum turbulence expected per segment
Takeoff
Light
0:20-0:49
Light
0:49-1:18
Light
1:18-1:47
Light
1:47-2:15
Light
Landing
Light
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
SFO
Forecast
9°C (Now)
Clear • 5 kt • VFR — Clear conditions, no delays expected
Arrival
DEN
Forecast
-7°C (Now)
Broken • 13 kt G20 • VFR — Clear conditions, no delays expected

Narrow-Body Aircraft (Medium)

Single-aisle mainline jets like this offer a comfortable ride. While you may feel turbulence more than on wide-body aircraft, they are engineered to handle it smoothly.

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.