Southwest Airlines LAS PHX WN21
Southwest Airlines · Live forecast
LAS → PHX
WN21 · Mar 15, 2026 · 16:10 PD
82
Calm Score
"A smooth ride ahead — sit back and enjoy."
1h 20m
Duration
222 nm
Distance
25,000 ft
Cruise Altitude
HIGH
Confidence
Turbulence comfort along route
Comfort score combines turbulence probability with intensity — higher means rougher
Smooth Light Moderate Severe

Notifications not available
Your flight departs in less than 6 hours. The forecast is unlikely to change significantly at this point.

💙
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 LAS → PHX
2 pilot reports along this route
0 / 2
Reporting smooth
0 / 2
Light turbulence
2
Moderate or worse
Latest pilot reports
Smooth
INW UA /OV INW250020/TM 2222/FL150/TP BE30/TB LGT-MOD CHOP/RM ZAB FDCS
43m ago
Smooth
VGT UA /OV LAS315010/TM 2215/FL040/TP C172/TB LGT-MOD
50m ago
AI-powered flight briefing
900 data points analyzed · HIGH confidence
Your Flight

We analysed more than 900 data points along your route from Harry Reid International Airport, Las Vegas to Phoenix Sky Harbor International Airport, Phoenix.

Your Journey Beta

Your route takes you across the Sonoran Desert – conditions there 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 46 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 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 20min
Maximum turbulence expected per segment
Takeoff
Light
0:15-0:40
Light
0:40-1:05
Light
Landing
Smooth
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
LAS Harry Reid International Airport — Departure
Wind
11 kt (70°)
Sky
Scattered
Temperature
26°C
Conditions
VFR — Clear conditions, no delays expected
PHX Phoenix Sky Harbor International Airport — Arrival
Wind
9 kt (260°)
Sky
Scattered
Temperature
32°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
b738
Category
Narrow-Body Aircraft
Size
Medium
Comfort
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.
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.