RDU → IAH: cancellations & delays
Over Jan 2023 - Apr 2026, 1.4% of Raleigh-Durham International Airport (RDU) to George Bush Intercontinental Airport (IAH) flights were cancelled and 20.6% arrived at least 15 minutes late, across 2,849 flights, flown by UA, F9, OO. Cancellations peak in May.
Check today's live RDU departures →Airport pages: Raleigh-Durham International Airport (RDU) · 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.