Southwest Airlines departures from Des Moines, IA (DSM)

Among 1,778 scheduled Southwest Airlines flights departing DSM, 83.3% arrived on time, 10.0% arrived at least 30 minutes late, and 0.8% 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 SIGNALLower disruption

83.3%arrived on time

10.0%30+ min late

0.8%cancelled

1,778scheduled flights

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

30+ minutes late10.0%

60+ minutes late4.6%

Cancelled0.8%

Diverted0.2%

What does the Southwest Airlines DSM sample show?

Southwest Airlines completed 99.0% of its scheduled departures from DSM; 4.6% arrived at least one hour late and 0.2% were diverted.

What were Southwest Airlines at DSM disruption rates?

For Southwest Airlines departures from DSM, 10.0% arrived at least 30 minutes late, 0.8% were cancelled, and 0.2% were diverted.

Compare all airlines at DSM

How large was the Southwest Airlines cohort at DSM?

The Southwest Airlines cohort at DSM contained 1,778 scheduled flights, including 1,761 completed flights, 14 cancellations, and 3 diversions.