How often are PHX to SLC flights on time?

Flights from Phoenix (PHX) to Salt Lake City (SLC) arrive on time 86% of the time across 33,027 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 91% across 10,920 flights.

Route reliability

Flights from Phoenix to Salt Lake City arrive on time 86% of the time across 33,027 flights. Here’s how each airline really performs.

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On-time rate

33,027 flights

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

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