Houston, TX → San Francisco, CA flight delays
IAH → SFO · all airlines · 300 flights · April 2026 · source: US BTS
This route is delayed
26%of the time, by +62 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
74%
Delayed 3h+
1%
Cancelled
0.3%
Avg when late
+62m
Best & worst day to fly
Most on-time
Tuesday
delayed 13%
Worst
Monday
delayed 38%
Frequently asked
How often is the Houston, TX to San Francisco, CA flight delayed?
About 26% of IAH → SFO flights arrive late (15+ minutes), by an average of 62 minutes when they do, based on 300 flights in April 2026.
What is the best day to fly IAH → SFO?
Tuesday is the most on-time (delayed 13%), while Monday is the worst (delayed 38%).
Airport overviews