Las Vegas (LAS) to Houston (HOU): On-Time Performance
Data through July 2026
When you fly LAS to HOU matters as much as anything else about the booking: the route swung from 88% on-time in November 2024 to just 61% in July 2026. Across the full period the route averages 76% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 63%), which matters most in the rough months.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 5.5
- last 12 months
- Duration
- 2h 59m
- scheduled
- Distance
- 1,235 mi
Monthly on-time trend
Best time to fly from LAS to HOU
Aim for departures around 5 a.m. (96% on-time); avoid 2 p.m. departures (49%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 15 min |
| Tuesdaybest | 83% | 10 min |
| Wednesday | 81% | 8 min |
| Thursday | 72% | 15 min |
| Friday | 73% | 15 min |
| Saturday | 82% | 9 min |
| Sunday | 72% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft48%
- Airline operations39%
- National airspace system12%
- Weather1%
Frequently asked questions
- How often are flights from LAS to HOU delayed?
- 24% of LAS–HOU flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- What is the best time of day to fly from LAS to HOU?
- Departures around 5 a.m. have the best record (96% on-time), while departures around 2 p.m. have the worst (49%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to HOU?
- The scheduled LAS–HOU flight time averages 2h 59m over 1,235 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are LAS to HOU flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from LAS to HOU?
- July 2026 was the roughest month in this dataset, with only 61% of arrivals on time. The best was November 2024 at 88%. If your dates are flexible, that 27-point gap is worth planning around.
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Based on 4,278 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.