PHX → IAH: cancellations & delays
Over Jan 2023 - Apr 2026, 1.0% of Phoenix Sky Harbor International Airport (PHX) to George Bush Intercontinental Airport (IAH) flights were cancelled and 16.7% arrived at least 15 minutes late, across 9,008 flights, flown by UA, AA, OO, F9, MQ, WN. Cancellations peak in July.
Check today's live PHX departures →Airport pages: Phoenix Sky Harbor International Airport (PHX) · 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.