Detroit, MI → Seattle, WA flight delays
DTW → SEA · all airlines · 206 flights · May 2026 · source: US BTS
This route is delayed
24%of the time, by +68 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
76%
Delayed 3h+
1%
Cancelled
0.5%
Avg when late
+68m
Best & worst day to fly
Most on-time
Monday
delayed 19%
Worst
Saturday
delayed 34%
Which airline is most punctual on DTW → SEA?
Alaskadelayed 10%
Deltadelayed 31%
Frequently asked
How often is the Detroit, MI to Seattle, WA flight delayed?
About 24% of DTW → SEA flights arrive late (15+ minutes), by an average of 68 minutes when they do, based on 206 flights in May 2026.
Which airline is most punctual on DTW → SEA?
Alaska, delayed 10% of the time — the best of the 2 airlines flying this route.
What is the best day to fly DTW → SEA?
Monday is the most on-time (delayed 19%), while Saturday is the worst (delayed 34%).
Airport overviews