TUS → IAH: cancellations & delays
Over Jan 2023 - Apr 2026, 1.3% of Tucson International Airport (TUS) to George Bush Intercontinental Airport (IAH) flights were cancelled and 11.3% arrived at least 15 minutes late, across 1,629 flights, flown by UA, OO. Cancellations peak in January.
Check today's live TUS departures →Airport pages: Tucson International Airport (TUS) · 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.