Washington, DC → San Francisco, CA flight delays
IAD → SFO · all airlines · 229 flights · April 2026 · source: US BTS
This route is delayed
19%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
81%
Delayed 3h+
1.3%
Cancelled
0%
Avg when late
+59m
Best & worst day to fly
Most on-time
Tuesday
delayed 11%
Worst
Monday
delayed 31%
Frequently asked
How often is the Washington, DC to San Francisco, CA flight delayed?
About 19% of IAD → SFO flights arrive late (15+ minutes), by an average of 59 minutes when they do, based on 229 flights in April 2026.
What is the best day to fly IAD → SFO?
Tuesday is the most on-time (delayed 11%), while Monday is the worst (delayed 31%).
Airport overviews