MCO → ONT: cancellations & delays
Over Jan 2023 - Apr 2026, 0.4% of Orlando International Airport (MCO) to Ontario International Airport (ONT) flights were cancelled and 36.2% arrived at least 15 minutes late, across 272 flights, flown by F9. Cancellations peak in August.
Check today's live MCO departures →Airport pages: Orlando International Airport (MCO) · Ontario International Airport (ONT)
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.