BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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STL→AUS

Southwest Airlines St. Louis, MO (STL) to Austin, TX (AUS) reliability

Among 976 scheduled Southwest Airlines flights from STL to AUS, 76.3% arrived on time, 14.3% arrived at least 30 minutes late, and 0.4% 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
76.3%arrived on time
14.3%30+ min late
0.4%cancelled
976scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late14.3%
60+ minutes late6.0%
Cancelled0.4%
Average arrival+6.3 mincompleted flights

What did Southwest Airlines STL to AUS record?

Southwest Airlines completed 99.4% of its scheduled reportable STL to AUS flights in the observation window. 76.3% of all scheduled flights arrived less than 15 minutes late, while 6.0% arrived at least an hour late.

What were Southwest Airlines STL to AUS disruption rates?

For Southwest Airlines STL-to-AUS flights, 14.3% arrived at least 30 minutes late, 0.4% were cancelled, and 0.2% were diverted.

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What was the Southwest Airlines STL to AUS scheduled cohort?

The Southwest Airlines STL-to-AUS cohort contained 976 scheduled flights; 970 completed, 4 were cancelled, and 2 were diverted.

Not a prediction.

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