BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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DSM→DEN

Southwest Airlines Des Moines, IA (DSM) to Denver, CO (DEN) reliability

Among 559 scheduled Southwest Airlines flights from DSM to DEN, 82.8% arrived on time, 10.7% arrived at least 30 minutes late, and 0.5% 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 SIGNALLower disruption
82.8%arrived on time
10.7%30+ min late
0.5%cancelled
559scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late10.7%
60+ minutes late5.4%
Cancelled0.5%
Average arrival+3.9 mincompleted flights

What did Southwest Airlines DSM to DEN record?

Southwest Airlines completed 99.3% of its scheduled reportable DSM to DEN flights in the observation window. 82.8% of all scheduled flights arrived less than 15 minutes late, while 5.4% arrived at least an hour late.

What were Southwest Airlines DSM to DEN disruption rates?

For Southwest Airlines DSM-to-DEN flights, 10.7% arrived at least 30 minutes late, 0.5% were cancelled, and 0.2% were diverted.

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What was the Southwest Airlines DSM to DEN scheduled cohort?

The Southwest Airlines DSM-to-DEN cohort contained 559 scheduled flights; 555 completed, 3 were cancelled, and 1 were diverted.

Not a prediction.

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