DSM (Des Moines) to PDX (Portland) flights arrive on time 73% of the time. The most reliable airline on this route is Allegiant Air at 72%. The average delay is 66 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.DSM → PDX
DSM (Des Moines) to PDX (Portland)
DSM → PDX on-time performance by month
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 73% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
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 ~6 min. Best time: 4 AM (about 5 min).
Arriving at PDX
83% on timeWhen flights into PDX are late, the average delay is 60 minutes. Build buffer if you have ground plans.
If connecting at PDX: TSA is ~7 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.