IAH → ORD: cancellations & delays
Over Jan 2023 - Apr 2026, 1.3% of George Bush Intercontinental Airport (IAH) to Chicago O'Hare International Airport (ORD) flights were cancelled and 23.1% arrived at least 15 minutes late, across 17,541 flights, flown by UA, AA, NK, MQ, YX, F9. Cancellations peak in January.
Check today's live IAH departures →Airport pages: George Bush Intercontinental Airport (IAH) · Chicago O'Hare International Airport (ORD)
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.