DFW → ONT: cancellations & delays
Over Jan 2023 - Apr 2026, 2.1% of Dallas Fort Worth International Airport (DFW) to Ontario International Airport (ONT) flights were cancelled and 30.3% arrived at least 15 minutes late, across 7,793 flights, flown by AA, F9. Cancellations peak in January.
Check today's live DFW departures →Airport pages: Dallas Fort Worth International Airport (DFW) · 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.