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

United Airlines Houston, TX (IAH) to Des Moines, IA (DSM) reliability

Among 346 scheduled United Airlines flights from IAH to DSM, 74.6% arrived on time, 17.6% arrived at least 30 minutes late, and 1.2% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: United Airlines (UA) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
74.6%arrived on time
17.6%30+ min late
1.2%cancelled
346scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late17.6%
60+ minutes late8.7%
Cancelled1.2%
Average arrival+8.8 mincompleted flights

What did United Airlines IAH to DSM record?

United Airlines completed 98.6% of its scheduled reportable IAH to DSM flights in the observation window. 74.6% of all scheduled flights arrived less than 15 minutes late, while 8.7% arrived at least an hour late.

What were United Airlines IAH to DSM disruption rates?

For United Airlines IAH-to-DSM flights, 17.6% arrived at least 30 minutes late, 1.2% were cancelled, and 0.3% were diverted.

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What was the United Airlines IAH to DSM scheduled cohort?

The United Airlines IAH-to-DSM cohort contained 346 scheduled flights; 341 completed, 4 were cancelled, and 1 were diverted.

Not a prediction.

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