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

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

Among 1,922 scheduled Southwest Airlines flights from DAL to STL, 75.6% arrived on time, 14.7% arrived at least 30 minutes late, and 1.3% 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
75.6%arrived on time
14.7%30+ min late
1.3%cancelled
1,922scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late14.7%
60+ minutes late7.8%
Cancelled1.3%
Average arrival+8.5 mincompleted flights

What did Southwest Airlines DAL to STL record?

Southwest Airlines completed 98.4% of its scheduled reportable DAL to STL flights in the observation window. 75.6% of all scheduled flights arrived less than 15 minutes late, while 7.8% arrived at least an hour late.

What were Southwest Airlines DAL to STL disruption rates?

For Southwest Airlines DAL-to-STL flights, 14.7% arrived at least 30 minutes late, 1.3% were cancelled, and 0.3% were diverted.

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What was the Southwest Airlines DAL to STL scheduled cohort?

The Southwest Airlines DAL-to-STL cohort contained 1,922 scheduled flights; 1,892 completed, 25 were cancelled, and 5 were diverted.

Not a prediction.

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