Historical on-time performance
Las Vegas to Houston
1,235 miData through Dec 2025Source: US DOT · BTS
Flights on LAS–HOU arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 2,076 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time77%Medianon timep9035 minCancel0.7%Flights2,076
Why flights run late
Delay causes
- Airline34%
- Weather1%
- Air traffic (NAS)13%
- Late aircraft52%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
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 · 2,431 flights
- Middays75% on time · p90 40 min · 936 flights
- Evenings64% on time · p90 60 min · 1,246 flights
- Afternoons58% on time · p90 60 min · 1,174 flights
- Overnights58% on time · p90 65 min · 435 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 83% on time.
- Saturdays83% on time · p90 25 min · 713 flights
- Wednesdays81% on time · p90 30 min · 836 flights
- Tuesdays76% on time · p90 35 min · 836 flights
- Sundays73% on time · p90 45 min · 952 flights
- Mondays72% on time · p90 40 min · 965 flights
- Thursdays71% on time · p90 40 min · 952 flights
- Fridays68% on time · p90 55 min · 968 flights
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