How often are PDX to SLC flights on time?

Flights from Portland (PDX) to Salt Lake City (SLC) arrive on time 91% of the time across 15,143 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 93% across 10,670 flights.

Route reliability

Flights from Portland to Salt Lake City arrive on time 91% of the time across 15,143 flights. Here’s how each airline really performs.

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On-time rate

15,143 flights

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

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