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

Southwest Airlines Atlanta, GA (ATL) to St. Louis, MO (STL) reliability

Among 1,130 scheduled Southwest Airlines flights from ATL to STL, 79.5% arrived on time, 12.2% arrived at least 30 minutes late, and 0.5% 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
79.5%arrived on time
12.2%30+ min late
0.5%cancelled
1,130scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late12.2%
60+ minutes late5.8%
Cancelled0.5%
Average arrival+4.6 mincompleted flights

What did Southwest Airlines ATL to STL record?

Southwest Airlines completed 99.5% of its scheduled reportable ATL to STL flights in the observation window. 79.5% of all scheduled flights arrived less than 15 minutes late, while 5.8% arrived at least an hour late.

What were Southwest Airlines ATL to STL disruption rates?

For Southwest Airlines ATL-to-STL flights, 12.2% arrived at least 30 minutes late, 0.5% were cancelled, and 0.0% were diverted.

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What was the Southwest Airlines ATL to STL scheduled cohort?

The Southwest Airlines ATL-to-STL cohort contained 1,130 scheduled flights; 1,124 completed, 6 were cancelled, and 0 were diverted.

Not a prediction.

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