Seattle, WA → Portland, OR flight delays
SEA → PDX · all airlines · 374 flights · April 2026 · source: US BTS
This route is delayed
9%of the time, by +65 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
91%
Delayed 3h+
0.5%
Cancelled
0.3%
Avg when late
+65m
Best & worst day to fly
Most on-time
Saturday
delayed 2%
Worst
Sunday
delayed 16%
Which airline is most punctual on SEA → PDX?
SkyWestdelayed 6%
Deltadelayed 13%
Alaskadelayed 16%
Frequently asked
How often is the Seattle, WA to Portland, OR flight delayed?
About 9% of SEA → PDX flights arrive late (15+ minutes), by an average of 65 minutes when they do, based on 374 flights in April 2026.
Which airline is most punctual on SEA → PDX?
SkyWest, delayed 6% of the time — the best of the 3 airlines flying this route.
What is the best day to fly SEA → PDX?
Saturday is the most on-time (delayed 2%), while Sunday is the worst (delayed 16%).
Airport overviews