Houston, TX → Las Vegas, NV flight delays
IAH → LAS · all airlines · 295 flights · April 2026 · source: US BTS
This route is delayed
22%of the time, by +81 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
78%
Delayed 3h+
1.4%
Cancelled
1.4%
Avg when late
+81m
Best & worst day to fly
Most on-time
Wednesday
delayed 5%
Worst
Friday
delayed 35%
Which airline is most punctual on IAH → LAS?
Uniteddelayed 18%
Spiritdelayed 21%
Frontierdelayed 46%
Frequently asked
How often is the Houston, TX to Las Vegas, NV flight delayed?
About 22% of IAH → LAS flights arrive late (15+ minutes), by an average of 81 minutes when they do, based on 295 flights in April 2026.
Which airline is most punctual on IAH → LAS?
United, delayed 18% of the time — the best of the 3 airlines flying this route.
What is the best day to fly IAH → LAS?
Wednesday is the most on-time (delayed 5%), while Friday is the worst (delayed 35%).
Airport overviews