DSM (Des Moines) to DEN (Denver) flights arrive on time 83% of the time. The most reliable airline on this route is SkyWest Airlines at 92%. The average delay is 84 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.DSM → DEN
DSM (Des Moines) to DEN (Denver)
DSM → DEN on-time performance by month
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This route is on time most of the time. About 83% 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 United Airlines on this route — 92% vs 78% on time.
Airline Comparison
SkyWest Airlines leads at 92% on time; United Airlines trails at 78%.
Accurate?
Good to know
Departing from DSM
81% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. DSM has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at DEN
78% on timeWhen flights into DEN are late, the average delay is 67 minutes. Build buffer if you have ground plans.
If connecting at DEN: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.