Which airline is most reliable for DEN (Denver) to COS (Colorado Springs)?

The most reliable airline on the DEN to COS route is SkyWest Airlines, with an on-time arrival rate of 78%.

How often are flights delayed from DEN to COS?

About 24% of flights from DEN to COS experience delays. 76% arrive on time.

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

When flights from DEN to COS are delayed, the average delay is approximately 68 minutes.

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

With 76% of DEN to COS flights arriving on time and an average delay of 68 minutes when late, a connection under 60 minutes at COS is risky. We recommend at least 75-90 minutes for domestic connections after this route.

DEN → COS

DEN (Denver) to COS (Colorado Springs)

DEN (Denver) to COS (Colorado Springs) flights arrive on time 76% of the time. The most reliable airline on this route is SkyWest Airlines at 78%. The average delay is 68 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated October 2026.

DEN → COS on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

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This route is on time most of the time. About 76% 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 — 78% vs 73% on time.

Airline Comparison

SkyWest Airlines leads at 78% on time; Southwest Airlines trails at 73%.

Accurate?

Good to know

Departing from DEN

78% on time

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

TSA is currently ~21 min. Best time: 4 AM (about 5 min).

More about DEN →

Arriving at COS

79% on time

When flights into COS are late, the average delay is 71 minutes. Build buffer if you have ground plans.

If connecting at COS: TSA is ~18 min right now. Allow at least 60 minutes for a domestic connection.

More about COS →Connection times at COS →

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DEN Airport COS Airport

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