BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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AIRLINE × ROUTE REPORT
STL→LAX

Southwest Airlines St. Louis, MO (STL) to Los Angeles, CA (LAX) reliability

Among 674 scheduled Southwest Airlines flights from STL to LAX, 73.3% arrived on time, 15.3% arrived at least 30 minutes late, and 0.0% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Southwest Airlines (WN) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
73.3%arrived on time
15.3%30+ min late
0.0%cancelled
674scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late15.3%
60+ minutes late6.7%
Cancelled0.0%
Average arrival+9.7 mincompleted flights

What did Southwest Airlines STL to LAX record?

Southwest Airlines completed 99.9% of its scheduled reportable STL to LAX flights in the observation window. 73.3% of all scheduled flights arrived less than 15 minutes late, while 6.7% arrived at least an hour late.

What were Southwest Airlines STL to LAX disruption rates?

For Southwest Airlines STL-to-LAX flights, 15.3% arrived at least 30 minutes late, 0.0% were cancelled, and 0.1% were diverted.

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What was the Southwest Airlines STL to LAX scheduled cohort?

The Southwest Airlines STL-to-LAX cohort contained 674 scheduled flights; 673 completed, 0 were cancelled, and 1 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.