Delayly.HONEST DELAY ODDS

Las Vegas, NVHouston, TX flight delays

LASIAH · all airlines · 293 flights · April 2026 · source: US BTS

This route is delayed
18%of the time, by +70 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
82%
Delayed 3h+
1%
Cancelled
1%
Avg when late
+70m
Best & worst day to fly
Most on-time
Monday
delayed 11%
Worst
Saturday
delayed 27%
Which airline is most punctual on LASIAH?
Uniteddelayed 15%
Frontierdelayed 26%
Spiritdelayed 26%
Frequently asked
How often is the Las Vegas, NV to Houston, TX flight delayed?
About 18% of LAS → IAH flights arrive late (15+ minutes), by an average of 70 minutes when they do, based on 293 flights in April 2026.
Which airline is most punctual on LAS → IAH?
United, delayed 15% of the time — the best of the 3 airlines flying this route.
What is the best day to fly LAS → IAH?
Monday is the most on-time (delayed 11%), while Saturday is the worst (delayed 27%).
Airport overviews
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