PDX (Portland) to ATL (Atlanta) flights arrive on time 86% of the time. The most reliable airline on this route is Delta Air Lines at 89%. 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.PDX → ATL
PDX (Portland) to ATL (Atlanta)
PDX → ATL on-time performance by month
This route is usually on time. About 86% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Delta Air Lines is significantly more reliable on this route at 89% on time vs Alaska Airlines at 67%.
Airline Comparison
Delta Air Lines leads at 89% on time; Alaska Airlines trails at 67%.
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 ~15 min. Best time: 4 AM (about 5 min).
Arriving at ATL
83% on timeWhen flights into ATL are late, the average delay is 68 minutes. Build buffer if you have ground plans.
If connecting at ATL: TSA is ~23 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.