Historical on-time performance
Las Vegas to Houston
1,235 miData through May 2026Source: US DOT · BTS
Flights on LAS–HOU arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 2,075 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time74%Medianon timep9040 minCancel0.3%Flights2,075
Why flights run late
Delay causes
- Airline37%
- Weather2%
- Air traffic (NAS)13%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline29%
- Weather14%
- Air traffic (NAS)57%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 7 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly LAS → HOU
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 10 min · 2,418 flights
- Middays75% on time · p90 40 min · 1,020 flights
- Evenings63% on time · p90 55 min · 1,298 flights
- Overnights63% on time · p90 55 min · 413 flights
- Afternoons60% on time · p90 60 min · 1,021 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 82% on time.
- Saturdays82% on time · p90 25 min · 714 flights
- Wednesdays81% on time · p90 25 min · 810 flights
- Tuesdays80% on time · p90 30 min · 813 flights
- Mondays73% on time · p90 40 min · 961 flights
- Sundays72% on time · p90 45 min · 943 flights
- Thursdays72% on time · p90 40 min · 958 flights
- Fridays71% on time · p90 45 min · 971 flights
Keep exploring