How often are ORD to SLC flights on time?

Flights from Chicago (ORD) to Salt Lake City (SLC) arrive on time 83% of the time across 18,808 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 85% across 6,534 flights.

Route reliability

Flights from Chicago to Salt Lake City arrive on time 83% of the time across 18,808 flights. Here’s how each airline really performs.

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On-time rate

18,808 flights

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

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Are Some Airlines Really More Reliable Than Others?

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

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