Seattle, WA → Atlanta, GA flight delays
SEA → ATL · all airlines · 251 flights · April 2026 · source: US BTS
This route is delayed
14%of the time, by +48 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
86%
Delayed 3h+
0.4%
Cancelled
0.8%
Avg when late
+48m
Best & worst day to fly
Most on-time
Tuesday
delayed 6%
Worst
Friday
delayed 26%
Which airline is most punctual on SEA → ATL?
Deltadelayed 14%
Alaskadelayed 17%
Frequently asked
How often is the Seattle, WA to Atlanta, GA flight delayed?
About 14% of SEA → ATL flights arrive late (15+ minutes), by an average of 48 minutes when they do, based on 251 flights in April 2026.
Which airline is most punctual on SEA → ATL?
Delta, delayed 14% of the time — the best of the 2 airlines flying this route.
What is the best day to fly SEA → ATL?
Tuesday is the most on-time (delayed 6%), while Friday is the worst (delayed 26%).
Airport overviews