Washington, DC → Los Angeles, CA flight delays
IAD → LAX · all airlines · 224 flights · April 2026 · source: US BTS
This route is delayed
20%of the time, by +42 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
80%
Delayed 3h+
0.9%
Cancelled
0.4%
Avg when late
+42m
Best & worst day to fly
Most on-time
Tuesday
delayed 11%
Worst
Wednesday
delayed 26%
Frequently asked
How often is the Washington, DC to Los Angeles, CA flight delayed?
About 20% of IAD → LAX flights arrive late (15+ minutes), by an average of 42 minutes when they do, based on 224 flights in April 2026.
What is the best day to fly IAD → LAX?
Tuesday is the most on-time (delayed 11%), while Wednesday is the worst (delayed 26%).
Airport overviews