When is the Los Angeles to St. Louis route most turbulent?

See the monthly chart above for exact patterns. Transatlantic and mountain routes are typically roughest in winter (Dec–Mar). Tropical and Caribbean routes peak during monsoon season (Jul–Sep).

What aircraft operates the LAX to STL route?

The LAX–STL route is typically operated by Boeing 737 · Airbus A319. Airlines include Southwest, American, Delta.

Is turbulence on LAX to STL dangerous?

No — turbulence on the LAX–STL route is not dangerous to the aircraft. Modern commercial aircraft are built to withstand far more stress than any turbulence encountered. The main risk is to unbelted passengers. Always keep your seatbelt fastened when seated.

How can I check turbulence before my LAX to STL flight?

Use the Turbulence Forecast app (iOS & Android) for real-time PIREPs, SIGMET alerts, and AI-powered forecasts for the LAX–STL route. The app shows minute-by-minute turbulence timing for your specific flight date.

LAX to STL Turbulence Forecast

Q: Is the Los Angeles to St. Louis flight turbulent?

The LAX–STL route typically experiences light-moderate turbulence.

Q: Which seat is smoothest on LAX to STL?

Wing seats are smoothest. On a Boeing 737 · Airbus A319, that's rows 15-22. Avoid the rear of the aircraft where turbulence is felt most.

Q: How long is the flight from LAX to STL?

The LAX to STL flight takes approximately 4h 02m, covering 1,830 miles (1,590 nautical miles) at a cruising altitude of 37,000 feet.

Is the Los Angeles to St. Louis flight turbulent? Live forecast & historical patterns.

Live forecast

LAX

→

STL

Los Angeles · St. Louis · 4h 02m

5.6

Turb Score

4h 02m

Duration

1,590 nm

Distance

37,000 ft

Cruise Alt.

light-moderate

Typical

⚠️ light-moderate turbulence today

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Typical turbulence along the route

Historical average pattern for LAX–STL

0h1h2h3h4h5h6h4h 02m

Smooth

Light

Moderate

Heavy

About the LAX–STL route

The Los Angeles to St. Louis domestic route is generally one of the smoother flights in the US network, covering 1,830 miles at around 37,000 feet. Turbulence is most common when weather systems cross the Midwest or when the flight path skirts the Rocky Mountains. Short duration means any rough patches pass quickly.

The route is served by Southwest, American, Delta on Boeing 737 · Airbus A319 aircraft, with flights typically cruising at 37,000 feet over a distance of 1,830 miles (1,590 nautical miles).

💡 Tip: Domestic routes are generally smoother. Mountain crossings are the main turbulence source.

Los Angeles to St. Louis Flight Time

How long is the flight from LAX to STL?

4h 02m

Flight Time

1,830 mi

Distance

37,000 ft

Cruising Altitude

Boeing 737

Aircraft

The Los Angeles (LAX) to St. Louis (STL) flight takes approximately 4h 02m, covering 1,830 miles (1,590 nautical miles) at 37,000 feet. The route is operated by Southwest, American, Delta. Actual flight time may vary by 10–20 minutes depending on wind conditions and routing.

Turbulence levels on LAX–STL

What to expect at each phase of the flight

SmoothDeparture & arrival — climb and descent phases are generally calm

LightMinor bumps — drink stays in your cup, walking feels slightly unsteady

ModerateNoticeable bumps — stay seated with seatbelt on, service may pause

HeavyStrong jolts — unsecured items move, crew seated. Rare but possible

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Best time to fly LAX–STL

Turbulence by month

Smooth

Light

Moderate

Rough

Best seat on LAX–STL

Boeing 737

Front

Rows 1–14

Light

✓ Wing

Rows 15-22

Smoothest

Rear

Rows 23+

Rougher

Wing seats are over the center of gravity — least affected by turbulence.

What you'll see in the app

Full forecast, live map & seat recommendations

Similar routes

Other popular routes with turbulence data

Los Angeles → Bozeman

Moderate

LAX → PEK

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Salt Lake City → St. Louis

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Related guides

Learn more about flight turbulence

Turbulence Tracker

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Best Seat Guide

Which rows feel turbulence least

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When Does Turbulence Happen?

Phases of flight explained

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Turbulence Forecast Map

Global turbulence outlook

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Passenger Reports

A few bumpy patches on descent, lasted maybe half an hour total. Drink service was paused briefly. Not unusual for this time of year.

Frequent flyer · May

The 4h 02m flight had some light shaking around the halfway point. Nothing spilled, nobody panicked. Just normal flying.

Leisure traveler · November

Kids barely noticed the turbulence — just some mild bumps over the mountains. Seatbelt sign was on and off a couple times. Nothing dramatic.

Parent traveling with kids · July

All LAX routes→ All STL routes→

Frequently asked questions

Is the Los Angeles to St. Louis flight turbulent?

The LAX–STL route typically experiences light-moderate turbulence. The turbulence score for this route is 5.6/100.

When is turbulence worst on LAX to STL?

Domestic routes are generally smoother. Mountain crossings are the main turbulence source. Check the turbulence chart above for the typical pattern along this specific route.

Which seat is smoothest on LAX to STL?

Wing seats are always the smoothest. On a Boeing 737 (the most common aircraft on this route), that's rows 15-22. Avoid the very rear of the aircraft — it amplifies turbulence motion.

How long is the flight from LAX to STL?

The LAX to STL flight takes approximately 4h 02m, covering 1,830 miles (1,590 nautical miles).

Which airlines fly LAX to STL?

The main airlines operating this route are Southwest, American, Delta, flying Boeing 737 · Airbus A319 aircraft.

Data Sources

PIREP — Pilot reports (PIREPs) submitted via FAA/ICAO systems, aggregated over 12+ months of historical data
SIGMET / AIRMET — Significant Meteorological Information bulletins from NOAA Aviation Weather Center
EDR data — Eddy Dissipation Rate measurements from commercial aircraft (ADS-B derived turbulence intensity)
Seasonal patterns — 5-year rolling averages of turbulence frequency and intensity by month for this route

Scores represent typical conditions. Actual turbulence varies daily. For real-time forecasts, use the Turbulence Forecast app. · About our data