Historical on-time performance
Houston to Los Angeles
1,390 miData through May 2026Source: US DOT · BTS
Flights on HOU–LAX arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.2%of scheduled flights
based on 1,194 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time76%Medianon timep9035 minCancel0.2%Flights1,194
Why flights run late
Delay causes
- Airline31%
- Weather4%
- Air traffic (NAS)11%
- Late aircraft53%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline50%
- Weather50%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 2 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 HOU → LAX
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 — 93% on time.
- Mornings93% on time · p90 10 min · 1,282 flights
- Middays76% on time · p90 35 min · 413 flights
- Afternoons68% on time · p90 50 min · 541 flights
- Overnights68% on time · p90 50 min · 1,024 flights
- Evenings65% on time · p90 45 min · 353 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 79% on time.
- Fridays79% on time · p90 30 min · 576 flights
- Wednesdays79% on time · p90 25 min · 476 flights
- Thursdays79% on time · p90 30 min · 560 flights
- Tuesdays78% on time · p90 35 min · 480 flights
- Saturdays78% on time · p90 35 min · 440 flights
- Mondays78% on time · p90 35 min · 562 flights
- Sundays70% on time · p90 45 min · 519 flights
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