Which airline is most reliable for SLC (Salt Lake City) to DEN (Denver)?

The most reliable airline on the SLC to DEN route is SkyWest Airlines, with an on-time arrival rate of 83%.

How often are flights delayed from SLC to DEN?

About 22% of flights from SLC to DEN experience delays. 78% arrive on time.

What's the average delay on SLC to DEN flights?

When flights from SLC to DEN are delayed, the average delay is approximately 65 minutes.

Is a short connection safe after a SLC to DEN flight?

With 78% of SLC to DEN flights arriving on time and an average delay of 65 minutes when late, a connection under 60 minutes at DEN is risky. We recommend at least 75-90 minutes for domestic connections after this route.

SLC → DEN

SLC (Salt Lake City) to DEN (Denver)

SLC (Salt Lake City) to DEN (Denver) flights arrive on time 78% of the time. The most reliable airline on this route is SkyWest Airlines at 83%. The average delay is 65 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated July 2026.

SLC → DEN on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

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This route is on time most of the time. About 78% of flights arrive on schedule.

Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Accurate?

SkyWest Airlines edges out Southwest Airlines on this route — 83% vs 75% on time.

Airline Comparison

SkyWest Airlines leads at 83% on time; Southwest Airlines trails at 75%.

Accurate?

Good to know

Departing from SLC

85% on time

Expect ~18 min sitting on the taxiway after your gate pushes back. SLC has long runway queues.

TSA is currently ~10 min. Best time: 4 AM (about 5 min).

More about SLC →

Arriving at DEN

79% on time

When flights into DEN are late, the average delay is 69 minutes. Build buffer if you have ground plans.

If connecting at DEN: TSA is ~14 min right now. Allow at least 60 minutes for a domestic connection.

More about DEN →Connection times at DEN →

Flight cancelled or delayed?

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SLC Airport DEN Airport

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Data last updated July 2026. Source: Bureau of Transportation Statistics.