Seattle, WA → Newark, NJ flight delays
SEA → EWR · all airlines · 213 flights · May 2026 · source: US BTS
This route is delayed
12%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
88%
Delayed 3h+
0%
Cancelled
0%
Avg when late
+48m
Best & worst day to fly
Most on-time
Saturday
delayed 6%
Worst
Thursday
delayed 17%
Which airline is most punctual on SEA → EWR?
Uniteddelayed 11%
Alaskadelayed 12%
Frequently asked
How often is the Seattle, WA to Newark, NJ flight delayed?
About 12% of SEA → EWR flights arrive late (15+ minutes), by an average of 48 minutes when they do, based on 213 flights in May 2026.
Which airline is most punctual on SEA → EWR?
United, delayed 11% of the time — the best of the 2 airlines flying this route.
What is the best day to fly SEA → EWR?
Saturday is the most on-time (delayed 6%), while Thursday is the worst (delayed 17%).
Airport overviews