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

Southwest Airlines St. Louis, MO (STL) to Kansas City, MO (MCI) reliability

Among 1,020 scheduled Southwest Airlines flights from STL to MCI, 74.9% arrived on time, 14.7% arrived at least 30 minutes late, and 0.3% 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
74.9%arrived on time
14.7%30+ min late
0.3%cancelled
1,020scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late14.7%
60+ minutes late7.1%
Cancelled0.3%
Average arrival+8.7 mincompleted flights

What did Southwest Airlines STL to MCI record?

Southwest Airlines completed 99.7% of its scheduled reportable STL to MCI flights in the observation window. 74.9% of all scheduled flights arrived less than 15 minutes late, while 7.1% arrived at least an hour late.

What were Southwest Airlines STL to MCI disruption rates?

For Southwest Airlines STL-to-MCI flights, 14.7% arrived at least 30 minutes late, 0.3% were cancelled, and 0.0% were diverted.

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What was the Southwest Airlines STL to MCI scheduled cohort?

The Southwest Airlines STL-to-MCI cohort contained 1,020 scheduled flights; 1,017 completed, 3 were cancelled, and 0 were diverted.

Not a prediction.

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