MIA → IAH: cancellations & delays
Over Jan 2023 - Apr 2026, 1.8% of Miami International Airport (MIA) to George Bush Intercontinental Airport (IAH) flights were cancelled and 27.0% arrived at least 15 minutes late, across 11,334 flights, flown by UA, AA, NK, MQ, F9, YX. Cancellations peak in January.
Check today's live MIA departures →Airport pages: Miami International Airport (MIA) · 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.