Historical on-time performance
Los Angeles to Houston
1,390 miData through May 2026Source: US DOT · BTS
Flights on LAX–HOU arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 1,193 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time75%Medianon timep9035 minCancel0.3%Flights1,193
Why flights run late
Delay causes
- Airline35%
- Weather0%
- Air traffic (NAS)17%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather33%
- Air traffic (NAS)67%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 3 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 LAX → 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 — 88% on time.
- Mornings88% on time · p90 15 min · 1,425 flights
- Overnights75% on time · p90 35 min · 489 flights
- Middays72% on time · p90 30 min · 626 flights
- Afternoons69% on time · p90 40 min · 550 flights
- Evenings61% on time · p90 50 min · 517 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 81% on time.
- Tuesdays81% on time · p90 25 min · 483 flights
- Saturdays80% on time · p90 25 min · 440 flights
- Wednesdays78% on time · p90 30 min · 481 flights
- Mondays77% on time · p90 35 min · 559 flights
- Sundays76% on time · p90 30 min · 521 flights
- Thursdays75% on time · p90 35 min · 557 flights
- Fridays72% on time · p90 35 min · 566 flights
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