Historical on-time performance
San Jose to Houston
1,621 miData through Dec 2025Source: US DOT · BTS
Flights on SJC–HOU arrive on time 91% of the time over the last 12 months.
On-time rate91%arrived within 15 min
p90 delay10 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-time91%Medianon timep9010 minCancel0.9%Flights336
Why flights run late
Delay causes
- Airline49%
- Weather0%
- Air traffic (NAS)33%
- Late aircraft18%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SJC → 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 — 92% on time.
- Mornings92% on time · p90 10 min · 708 flights
- Middays81% on time · p90 20 min · 295 flights
- Afternoons70% on time · p90 35 min · 82 flights · limited
Best day of week
Saturdays are the most reliable day to fly this route — 96% on time.
- Saturdays96% on time · p90 5 min · 147 flights · limited
- Tuesdays90% on time · p90 10 min · 157 flights · limited
- Wednesdays87% on time · p90 15 min · 157 flights · limited
- Sundays87% on time · p90 20 min · 156 flights · limited
- Fridays87% on time · p90 15 min · 155 flights · limited
- Thursdays81% on time · p90 25 min · 156 flights · limited
- Mondays81% on time · p90 20 min · 157 flights · limited
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