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

Southwest Airlines New Orleans, LA (MSY) to St. Louis, MO (STL) reliability

Among 731 scheduled Southwest Airlines flights from MSY to STL, 81.3% arrived on time, 10.7% 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 SIGNALLower disruption
81.3%arrived on time
10.7%30+ min late
0.4%cancelled
731scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late10.7%
60+ minutes late5.7%
Cancelled0.4%
Average arrival+2.1 mincompleted flights

What did Southwest Airlines MSY to STL record?

Southwest Airlines completed 99.3% of its scheduled reportable MSY to STL flights in the observation window. 81.3% of all scheduled flights arrived less than 15 minutes late, while 5.7% arrived at least an hour late.

What were Southwest Airlines MSY to STL disruption rates?

For Southwest Airlines MSY-to-STL flights, 10.7% arrived at least 30 minutes late, 0.4% were cancelled, and 0.3% were diverted.

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What was the Southwest Airlines MSY to STL scheduled cohort?

The Southwest Airlines MSY-to-STL cohort contained 731 scheduled flights; 726 completed, 3 were cancelled, and 2 were diverted.

Not a prediction.

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