BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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SAT→MDW

Southwest Airlines San Antonio, TX (SAT) to Chicago, IL (MDW) reliability

Among 673 scheduled Southwest Airlines flights from SAT to MDW, 77.1% arrived on time, 11.0% arrived at least 30 minutes late, and 1.0% 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
77.1%arrived on time
11.0%30+ min late
1.0%cancelled
673scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late11.0%
60+ minutes late4.9%
Cancelled1.0%
Average arrival+6.3 mincompleted flights

What did Southwest Airlines SAT to MDW record?

Southwest Airlines completed 98.7% of its scheduled reportable SAT to MDW flights in the observation window. 77.1% of all scheduled flights arrived less than 15 minutes late, while 4.9% arrived at least an hour late.

What were Southwest Airlines SAT to MDW disruption rates?

For Southwest Airlines SAT-to-MDW flights, 11.0% arrived at least 30 minutes late, 1.0% were cancelled, and 0.3% were diverted.

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What was the Southwest Airlines SAT to MDW scheduled cohort?

The Southwest Airlines SAT-to-MDW cohort contained 673 scheduled flights; 664 completed, 7 were cancelled, and 2 were diverted.

Not a prediction.

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