IAH → GRR: cancellations & delays
Over Jan 2023 - Apr 2026, 2.7% of George Bush Intercontinental Airport (IAH) to Gerald R. Ford International Airport (GRR) flights were cancelled and 33.0% arrived at least 15 minutes late, across 694 flights, flown by UA, OO. Cancellations peak in January.
Check today's live IAH departures →Airport pages: George Bush Intercontinental Airport (IAH) · Gerald R. Ford International Airport (GRR)
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.