Portland, OR → San Francisco, CA flight delays
PDX → SFO · all airlines · 299 flights · May 2026 · source: US BTS
This route is delayed
52%of the time, by +62 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
48%
Delayed 3h+
3.4%
Cancelled
0.3%
Avg when late
+62m
Best & worst day to fly
Most on-time
Saturday
delayed 19%
Worst
Friday
delayed 67%
Which airline is most punctual on PDX → SFO?
Uniteddelayed 51%
Alaskadelayed 59%
Frequently asked
How often is the Portland, OR to San Francisco, CA flight delayed?
About 52% of PDX → SFO flights arrive late (15+ minutes), by an average of 62 minutes when they do, based on 299 flights in May 2026.
Which airline is most punctual on PDX → SFO?
United, delayed 51% of the time — the best of the 2 airlines flying this route.
What is the best day to fly PDX → SFO?
Saturday is the most on-time (delayed 19%), while Friday is the worst (delayed 67%).
Airport overviews