PDX (Portland) to SFO (San Francisco) flights arrive on time 74% of the time. The most reliable airline on this route is SkyWest Airlines at 76%. The average delay is 60 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated April 2026.PDX → SFO
PDX (Portland) to SFO (San Francisco)
PDX → SFO on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 74% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
Accurate?
SkyWest Airlines is significantly more reliable on this route at 76% on time vs Frontier Airlines at 50%.
Airline Comparison
SkyWest Airlines leads at 76% on time; Frontier Airlines trails at 50%.
Accurate?
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 ~7 min. Best time: 4 AM (about 5 min).
Arriving at SFO
80% on timeWhen flights into SFO are late, the average delay is 67 minutes. Build buffer if you have ground plans.
If connecting at SFO: TSA is ~18 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.