How often are LAS to SLC flights on time?

Flights from Las Vegas (LAS) to Salt Lake City (SLC) arrive on time 85% of the time across 24,388 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 88% across 10,769 flights.

Route reliability

Flights from Las Vegas to Salt Lake City arrive on time 85% of the time across 24,388 flights. Here’s how each airline really performs.

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On-time rate

24,388 flights

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

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