How often are DEN to OAK flights on time?

Flights from Denver (DEN) to Oakland (OAK) arrive on time 74% of the time across 11,223 flights of official data.

Which airline is most reliable on the DEN to OAK route?

Frontier Airlines has the best on-time record on this route at 80% across 431 flights.

Route reliability

Flights from Denver to Oakland arrive on time 74% of the time across 11,223 flights. Here’s how each airline really performs.

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On-time rate

11,223 flights

Airline	On-time	Flights
Frontier Airlines	80%	431
Southwest Airlines	74%	10,792

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

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Score real DEN–OAK flights on reliability, weather, and connection safety — not just price.