IAH → DSM: cancellations & delays
Over Jan 2023 - Apr 2026, 1.6% of George Bush Intercontinental Airport (IAH) to Des Moines International Airport (DSM) flights were cancelled and 31.0% arrived at least 15 minutes late, across 1,345 flights, flown by UA, OO. Cancellations peak in July.
Check today's live IAH departures →Airport pages: George Bush Intercontinental Airport (IAH) · Des Moines International Airport (DSM)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.