CLT → ONT: cancellations & delays
Over Jan 2023 - Apr 2026, 0.9% of Charlotte Douglas International Airport (CLT) to Ontario International Airport (ONT) flights were cancelled and 30.6% arrived at least 15 minutes late, across 1,078 flights, flown by AA. Cancellations peak in May.
Check today's live CLT departures →Airport pages: Charlotte Douglas International Airport (CLT) · 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.