San Francisco, CA → Las Vegas, NV flight delays
SFO → LAS · all airlines · 504 flights · April 2026 · source: US BTS
This route is delayed
40%of the time, by +57 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
60%
Delayed 3h+
0.8%
Cancelled
0.6%
Avg when late
+57m
Best & worst day to fly
Most on-time
Saturday
delayed 26%
Worst
Friday
delayed 55%
Which airline is most punctual on SFO → LAS?
Uniteddelayed 31%
Southwestdelayed 43%
Alaskadelayed 45%
Frontierdelayed 52%
Frequently asked
How often is the San Francisco, CA to Las Vegas, NV flight delayed?
About 40% of SFO → LAS flights arrive late (15+ minutes), by an average of 57 minutes when they do, based on 504 flights in April 2026.
Which airline is most punctual on SFO → LAS?
United, delayed 31% of the time — the best of the 4 airlines flying this route.
What is the best day to fly SFO → LAS?
Saturday is the most on-time (delayed 26%), while Friday is the worst (delayed 55%).
Airport overviews