Seattle, WA → Detroit, MI flight delays
SEA → DTW · all airlines · 204 flights · May 2026 · source: US BTS
This route is delayed
13%of the time, by +95 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
87%
Delayed 3h+
1.5%
Cancelled
0.5%
Avg when late
+95m
Best & worst day to fly
Most on-time
Tuesday
delayed 7%
Worst
Friday
delayed 18%
Which airline is most punctual on SEA → DTW?
Alaskadelayed 11%
Deltadelayed 13%
Frequently asked
How often is the Seattle, WA to Detroit, MI flight delayed?
About 13% of SEA → DTW flights arrive late (15+ minutes), by an average of 95 minutes when they do, based on 204 flights in May 2026.
Which airline is most punctual on SEA → DTW?
Alaska, delayed 11% of the time — the best of the 2 airlines flying this route.
What is the best day to fly SEA → DTW?
Tuesday is the most on-time (delayed 7%), while Friday is the worst (delayed 18%).
Airport overviews