Seattle, WA → Las Vegas, NV flight delays
SEA → LAS · all airlines · 476 flights · April 2026 · source: US BTS
This route is delayed
16%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
84%
Delayed 3h+
0.2%
Cancelled
0.2%
Avg when late
+48m
Best & worst day to fly
Most on-time
Wednesday
delayed 7%
Worst
Friday
delayed 25%
Which airline is most punctual on SEA → LAS?
Deltadelayed 13%
Alaskadelayed 13%
Southwestdelayed 22%
Frequently asked
How often is the Seattle, WA to Las Vegas, NV flight delayed?
About 16% of SEA → LAS flights arrive late (15+ minutes), by an average of 48 minutes when they do, based on 476 flights in April 2026.
Which airline is most punctual on SEA → LAS?
Delta, delayed 13% of the time — the best of the 3 airlines flying this route.
What is the best day to fly SEA → LAS?
Wednesday is the most on-time (delayed 7%), while Friday is the worst (delayed 25%).
Airport overviews