BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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AIRLINE × ROUTE REPORT
MCISTL

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

A dedicated historical view of 1,020 Southwest Airlines marketed flights on this direction during July 2025–June 2026.

HISTORICAL ROUTE SIGNALLower disruption
85.8%arrived on time
8.8%30+ min late
0.4%cancelled
1,020scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late8.8%
60+ minutes late3.1%
Cancelled0.4%
Average arrival-1.8 mincompleted flights

What this airline-route sample says

Southwest Airlines completed 99.5% of its scheduled reportable MCI to STL flights in the observation window. 85.8% of all scheduled flights arrived less than 15 minutes late, while 3.1% arrived at least an hour late.

Use the parent route report to compare this result with other marketing carriers and with time-of-day, weekday and monthly slices.

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Not a prediction.

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