How often are SAN to SLC flights on time?

Flights from San Diego (SAN) to Salt Lake City (SLC) arrive on time 88% of the time across 15,877 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 90% across 11,025 flights.

Route reliability

Flights from San Diego to Salt Lake City arrive on time 88% of the time across 15,877 flights. Here’s how each airline really performs.

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On-time rate

15,877 flights

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

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

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