LAX
Los Angeles International Airport
✈
STL
St. Louis Lambert International Airport
Distance
1,381 nm
Altitude
35,000 ft
Est. Duration
3h 25m
Route Information
Departure

LAX (LAX)

Distance

2,556.8 km (1,380.5 nautical miles)

Arrival

STL (STL)

Estimated Flight Time

205 minutes (3h 25m)

Flight Profile

Cruise Altitude: 35,000 ft (Flight Level 350)

Route calculated using great circle navigation

Turbulence comfort along route
Comfort score combines turbulence probability with intensity — higher means rougher
Smooth Light Moderate Severe
💙
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 LAX → STL
3 pilot reports along this route
1 / 3
Reporting smooth
0 / 3
Light turbulence
2
Moderate or worse
Latest pilot reports
Smooth
PUB UA /OV KPUB/TM 2219/FL050/TP P28A/RM /RM LLWS +/-15 KT ON FINAL RY 8R
28m ago
Moderate
ARP UAL1246 3740N 10636W 2208 F240 MS27 242/059KT TB CONT MOD TURB IC LGT RIME RM A21N OV 3740N10636W DURD
39m ago
Moderate
MHK UA /OV MHK090020/TM 2205/FL150/TP E170/TB CONS MOD 070-100/RM DURC ZKC/FDC/CW
42m ago
AI-powered flight briefing
5,000 data points analyzed · HIGH confidence
Your Flight

We analysed more than 5,000 data points along your route from Los Angeles International Airport, Los Angeles to St. Louis Lambert International Airport, St Louis.

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 43 knots. These winds are favorable and may get you there up to 16 minutes early.

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 3h 25min
Maximum turbulence expected per segment
Takeoff
Light
0:20-0:48
Light
0:48-1:16
Light
1:16-1:44
Light
1:44-2:11
Light
2:11-2:38
Smooth
2:38-3:05
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
LAX Los Angeles International Airport — Departure
Wind
12 kt (250°)
Sky
Scattered
Temperature
21°C
Conditions
VFR — Clear conditions, no delays expected
STL St. Louis Lambert International Airport — Arrival
Wind
4 kt (340°)
Sky
Scattered
Temperature
29°C
Conditions
VFR — Clear conditions, no delays expected
Your flight details
Departure timing and aircraft information
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.