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

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

Among 1,130 scheduled Southwest Airlines flights from STL to ATL, 79.6% arrived on time, 11.4% arrived at least 30 minutes late, and 1.2% 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
79.6%arrived on time
11.4%30+ min late
1.2%cancelled
1,130scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late11.4%
60+ minutes late5.9%
Cancelled1.2%
Average arrival+4.1 mincompleted flights

What did Southwest Airlines STL to ATL record?

Southwest Airlines completed 98.6% of its scheduled reportable STL to ATL flights in the observation window. 79.6% of all scheduled flights arrived less than 15 minutes late, while 5.9% arrived at least an hour late.

What were Southwest Airlines STL to ATL disruption rates?

For Southwest Airlines STL-to-ATL flights, 11.4% arrived at least 30 minutes late, 1.2% were cancelled, and 0.3% were diverted.

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What was the Southwest Airlines STL to ATL scheduled cohort?

The Southwest Airlines STL-to-ATL cohort contained 1,130 scheduled flights; 1,114 completed, 13 were cancelled, and 3 were diverted.

Not a prediction.

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