Historical on-time performance
Houston to Los Angeles
1,390 miData through Dec 2025Source: US DOT · BTS
Flights on HOU–LAX arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 1,203 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time80%Medianon timep9030 minCancel0.5%Flights1,203
Why flights run late
Delay causes
- Airline36%
- Weather5%
- Air traffic (NAS)10%
- Late aircraft49%
- 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 HOU → LAX
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 — 93% on time.
- Mornings93% on time · p90 10 min · 1,320 flights
- Middays76% on time · p90 30 min · 438 flights
- Afternoons72% on time · p90 50 min · 497 flights
- Overnights66% on time · p90 55 min · 1,002 flights
- Evenings66% on time · p90 45 min · 366 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 80% on time.
- Saturdays80% on time · p90 30 min · 432 flights
- Thursdays80% on time · p90 35 min · 564 flights
- Wednesdays79% on time · p90 25 min · 487 flights
- Mondays79% on time · p90 30 min · 572 flights
- Fridays78% on time · p90 30 min · 578 flights
- Tuesdays77% on time · p90 40 min · 491 flights
- Sundays72% on time · p90 40 min · 499 flights
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