Seattle, WA → Portland, OR flight delays
SEA → PDX · all airlines · 391 flights · May 2026 · source: US BTS
This route is delayed
16%of the time, by +47 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
84%
Delayed 3h+
0%
Cancelled
0%
Avg when late
+47m
Best & worst day to fly
Most on-time
Saturday
delayed 7%
Worst
Thursday
delayed 33%
Which airline is most punctual on SEA → PDX?
SkyWestdelayed 15%
Alaskadelayed 18%
Frequently asked
How often is the Seattle, WA to Portland, OR flight delayed?
About 16% of SEA → PDX flights arrive late (15+ minutes), by an average of 47 minutes when they do, based on 391 flights in May 2026.
Which airline is most punctual on SEA → PDX?
SkyWest, delayed 15% of the time — the best of the 2 airlines flying this route.
What is the best day to fly SEA → PDX?
Saturday is the most on-time (delayed 7%), while Thursday is the worst (delayed 33%).
Airport overviews