Las Vegas, NV → Seattle, WA flight delays
LAS → SEA · all airlines · 475 flights · April 2026 · source: US BTS
This route is delayed
16%of the time, by +64 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+
1.1%
Cancelled
0.4%
Avg when late
+64m
Best & worst day to fly
Most on-time
Saturday
delayed 10%
Worst
Friday
delayed 25%
Which airline is most punctual on LAS → SEA?
Deltadelayed 10%
Alaskadelayed 10%
Southwestdelayed 36%
Frequently asked
How often is the Las Vegas, NV to Seattle, WA flight delayed?
About 16% of LAS → SEA flights arrive late (15+ minutes), by an average of 64 minutes when they do, based on 475 flights in April 2026.
Which airline is most punctual on LAS → SEA?
Delta, delayed 10% of the time — the best of the 3 airlines flying this route.
What is the best day to fly LAS → SEA?
Saturday is the most on-time (delayed 10%), while Friday is the worst (delayed 25%).
Airport overviews