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

Southwest Airlines St. Louis, MO (STL) to Dallas, TX (DAL) reliability

Among 1,925 scheduled Southwest Airlines flights from STL to DAL, 74.6% arrived on time, 14.8% arrived at least 30 minutes late, and 1.5% 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
74.6%arrived on time
14.8%30+ min late
1.5%cancelled
1,925scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late14.8%
60+ minutes late7.4%
Cancelled1.5%
Average arrival+8.1 mincompleted flights

What did Southwest Airlines STL to DAL record?

Southwest Airlines completed 97.9% of its scheduled reportable STL to DAL flights in the observation window. 74.6% of all scheduled flights arrived less than 15 minutes late, while 7.4% arrived at least an hour late.

What were Southwest Airlines STL to DAL disruption rates?

For Southwest Airlines STL-to-DAL flights, 14.8% arrived at least 30 minutes late, 1.5% were cancelled, and 0.6% were diverted.

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What was the Southwest Airlines STL to DAL scheduled cohort?

The Southwest Airlines STL-to-DAL cohort contained 1,925 scheduled flights; 1,885 completed, 29 were cancelled, and 11 were diverted.

Not a prediction.

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