How often are PDX to DEN flights on time?

Flights from Portland (PDX) to Denver (DEN) arrive on time 89% of the time across 25,036 flights of official data.

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

United Airlines has the best on-time record on this route at 93% across 10,663 flights.

Route reliability

Flights from Portland to Denver arrive on time 89% of the time across 25,036 flights. Here’s how each airline really performs.

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On-time rate

25,036 flights

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

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Nonstop vs. Connecting Flights: The Reliability Trade-off

A stop multiplies the ways a trip can break. When it's worth it — and how to de-risk it.

Do Morning Flights Really Have Fewer Delays?

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Are Some Airlines Really More Reliable Than Others?

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

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