PDX (Portland) to DSM (Des Moines) flights arrive on time 70% of the time. The most reliable airline on this route is Allegiant Air at 71%. The average delay is 109 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.PDX → DSM
PDX (Portland) to DSM (Des Moines)
PDX → DSM on-time performance by month
25
JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 70% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
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Good to know
Departing from PDX
83% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. PDX has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at DSM
81% on timeWhen flights into DSM are late, the average delay is 76 minutes. Build buffer if you have ground plans.
If connecting at DSM: 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.