DEN (Denver) to SLC (Salt Lake City) flights arrive on time 80% of the time. The most reliable airline on this route is Alaska Airlines at 83%. The average delay is 42 minutes. Delays on this route are most often caused by weather.
Source: Bureau of Transportation Statistics. Updated March 2026.DEN → SLC
DEN (Denver) to SLC (Salt Lake City)
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DEN → SLC on-time performance by month
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This route is on time most of the time. About 80% of flights arrive on schedule.
Delays on this route are most often caused by weather.
Alaska Airlines edges out JetBlue Airways on this route — 83% vs 77% on time.
Airline Comparison
Alaska Airlines leads at 83% on time; JetBlue Airways trails at 77%.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.