BOI (Boise) to PDX (Portland) flights arrive on time 90% of the time. The most reliable airline on this route is Alaska Airlines at 90%. The average delay is 52 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.BOI → PDX
BOI (Boise) to PDX (Portland)
BOI → PDX on-time performance by month
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This route is usually on time. About 90% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Airlines are roughly equal on this route — Alaska Airlines leads slightly at 90% vs SkyWest Airlines at 89%.
Airline Comparison
Alaska Airlines leads at 90% on time; SkyWest Airlines trails at 89%.
Accurate?
Good to know
Departing from BOI
84% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. BOI has long runway queues.
TSA is currently ~5 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 ~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.