DSM → IAH: cancellations & delays
Over Jan 2023 - Apr 2026, 2.1% of Des Moines International Airport (DSM) to George Bush Intercontinental Airport (IAH) flights were cancelled and 14.3% arrived at least 15 minutes late, across 1,344 flights, flown by UA, OO. Cancellations peak in January.
Check today's live DSM departures →Airport pages: Des Moines International Airport (DSM) · George Bush Intercontinental Airport (IAH)
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.