Historical on-time performance
San Juan to Houston
1,997 miData through Dec 2025Source: US DOT · BTS
Flights on SJU–HOU arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 31 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time74%Medianon timep9025 minCancel0.0%Flights31
Why flights run late
Delay causes
- Airline34%
- Weather0%
- Air traffic (NAS)0%
- Late aircraft66%
- 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 SJU → HOU
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 62% to 62% on time.
- Afternoons62% on time · p90 45 min · 106 flights · limited
- Evenings62% on time · p90 50 min · 105 flights · limited
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