Historical on-time performance
Houston to San Jose
1,621 miData through Dec 2025Source: US DOT · BTS
Flights on HOU–SJC arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 336 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time82%Medianon timep9025 minCancel0.9%Flights336
Why flights run late
Delay causes
- Airline36%
- Weather12%
- Air traffic (NAS)9%
- Late aircraft43%
- 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 → SJC
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 — 87% on time.
- Mornings87% on time · p90 20 min · 498 flights
- Middays78% on time · p90 25 min · 247 flights
- Afternoons74% on time · p90 25 min · 215 flights
- Evenings72% on time · p90 45 min · 107 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 85% on time.
- Fridays85% on time · p90 15 min · 155 flights · limited
- Mondays84% on time · p90 20 min · 157 flights · limited
- Wednesdays83% on time · p90 20 min · 157 flights · limited
- Tuesdays82% on time · p90 20 min · 157 flights · limited
- Thursdays79% on time · p90 25 min · 156 flights · limited
- Saturdays77% on time · p90 25 min · 147 flights · limited
- Sundays75% on time · p90 25 min · 156 flights · limited
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