DAL → ONT: cancellations & delays
Over Jan 2023 - Apr 2026, 0.9% of Dallas Love Field (DAL) to Ontario International Airport (ONT) flights were cancelled and 27.4% arrived at least 15 minutes late, across 1,275 flights, flown by WN. Cancellations peak in July.
Check today's live DAL departures →Airport pages: Dallas Love Field (DAL) · 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.