How often are TUS to DEN flights on time?

Flights from Tucson (TUS) to Denver (DEN) arrive on time 89% of the time across 15,363 flights of official data.

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

United Airlines has the best on-time record on this route at 90% across 8,288 flights.

Route reliability

Flights from Tucson to Denver arrive on time 89% of the time across 15,363 flights. Here’s how each airline really performs.

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On-time rate

15,363 flights

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

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Nonstop vs. Connecting Flights: The Reliability Trade-off

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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 TUS–DEN flights on reliability, weather, and connection safety — not just price.

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