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

Southwest Airlines St. Louis, MO (STL) to Raleigh/Durham, NC (RDU) reliability

Among 652 scheduled Southwest Airlines flights from STL to RDU, 82.4% arrived on time, 11.7% arrived at least 30 minutes late, and 0.2% 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 SIGNALLower disruption
82.4%arrived on time
11.7%30+ min late
0.2%cancelled
652scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late11.7%
60+ minutes late6.0%
Cancelled0.2%
Average arrival+4.7 mincompleted flights

What did Southwest Airlines STL to RDU record?

Southwest Airlines completed 99.8% of its scheduled reportable STL to RDU flights in the observation window. 82.4% of all scheduled flights arrived less than 15 minutes late, while 6.0% arrived at least an hour late.

What were Southwest Airlines STL to RDU disruption rates?

For Southwest Airlines STL-to-RDU flights, 11.7% arrived at least 30 minutes late, 0.2% were cancelled, and 0.0% were diverted.

Compare all airlines on this route

What was the Southwest Airlines STL to RDU scheduled cohort?

The Southwest Airlines STL-to-RDU cohort contained 652 scheduled flights; 651 completed, 1 were cancelled, and 0 were diverted.

Not a prediction.

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