Seattle, WA → Los Angeles, CA flight delays
SEA → LAX · all airlines · 611 flights · April 2026 · source: US BTS
This route is delayed
11%of the time, by +59 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
89%
Delayed 3h+
0.8%
Cancelled
0.5%
Avg when late
+59m
Best & worst day to fly
Most on-time
Saturday
delayed 6%
Worst
Thursday
delayed 14%
Which airline is most punctual on SEA → LAX?
SkyWestdelayed 8%
Alaskadelayed 11%
Deltadelayed 12%
Frontierdelayed 17%
Frequently asked
How often is the Seattle, WA to Los Angeles, CA flight delayed?
About 11% of SEA → LAX flights arrive late (15+ minutes), by an average of 59 minutes when they do, based on 611 flights in April 2026.
Which airline is most punctual on SEA → LAX?
SkyWest, delayed 8% of the time — the best of the 4 airlines flying this route.
What is the best day to fly SEA → LAX?
Saturday is the most on-time (delayed 6%), while Thursday is the worst (delayed 14%).
Airport overviews