How often are DFW to ONT flights on time?

Flights from Dallas-Fort Worth (DFW) to Ontario (ONT) arrive on time 76% of the time across 13,839 flights of official data.

Which airline is most reliable on the DFW to ONT route?

Frontier Airlines has the best on-time record on this route at 79% across 1,570 flights.

Route reliability

Flights from Dallas-Fort Worth to Ontario arrive on time 76% of the time across 13,839 flights. Here’s how each airline really performs.

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On-time rate

13,839 flights

Airline	On-time	Flights
Frontier Airlines	79%	1,570
American Airlines	76%	12,269

On-time = arrived within 15 minutes of schedule, per BTS TranStats. Compare the reverse leg ONT → DFW.

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