ATL (Atlanta) to PDX (Portland) flights arrive on time 80% of the time. The most reliable airline on this route is Delta Air Lines at 82%. The average delay is 56 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated April 2026.ATL → PDX
ATL (Atlanta) to PDX (Portland)
ATL → PDX on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 80% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Delta Air Lines edges out Alaska Airlines on this route — 82% vs 70% on time.
Airline Comparison
Delta Air Lines leads at 82% on time; Alaska Airlines trails at 70%.
Accurate?
Good to know
Departing from ATL
83% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. ATL has long runway queues.
TSA is currently ~24 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 April 2026. Source: Bureau of Transportation Statistics.