MIA → ORD: cancellations & delays
Over Jan 2023 - Apr 2026, 1.3% of Miami International Airport (MIA) to Chicago O'Hare International Airport (ORD) flights were cancelled and 25.8% arrived at least 15 minutes late, across 14,525 flights, flown by AA, UA, NK, F9. Cancellations peak in June.
Check today's live MIA departures →Airport pages: Miami International Airport (MIA) · 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.