MSO (Missoula) to PDX (Portland) flights arrive on time 83% of the time. The most reliable airline on this route is SkyWest Airlines at 83%. The average delay is 60 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated October 2026.MSO → PDX
MSO (Missoula) to PDX (Portland)
MSO → PDX 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 incoming plane arriving late.
Accurate?
Accurate?
Good to know
Departing from MSO
82% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. MSO has long runway queues.
TSA is currently ~20 min. Best time: 4 AM (about 5 min).
Arriving at PDX
83% on timeWhen flights into PDX are late, the average delay is 62 minutes. Build buffer if you have ground plans.
If connecting at PDX: TSA is ~24 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what SkyWest Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of MSO? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.