Southwest Airlines departures from Chicago, IL (MDW)

Among 69,309 scheduled Southwest Airlines flights departing MDW, 73.6% arrived on time, 15.1% arrived at least 30 minutes late, and 1.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Origin and marketing-carrier cohort · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable

73.6%arrived on time

15.1%30+ min late

1.5%cancelled

69,309scheduled flights

Based on July 2025–June 2026; on time means arrival less than 15 minutes late.

30+ minutes late15.1%

60+ minutes late7.1%

Cancelled1.5%

Diverted0.2%

What does the Southwest Airlines MDW sample show?

Southwest Airlines completed 98.3% of its scheduled departures from MDW; 7.1% arrived at least one hour late and 0.2% were diverted.

What were Southwest Airlines at MDW disruption rates?

For Southwest Airlines departures from MDW, 15.1% arrived at least 30 minutes late, 1.5% were cancelled, and 0.2% were diverted.

Compare all airlines at MDW

How large was the Southwest Airlines cohort at MDW?

The Southwest Airlines cohort at MDW contained 69,309 scheduled flights, including 68,116 completed flights, 1,025 cancellations, and 168 diversions.