San Jose (SJC) to Houston (HOU): On-Time Performance
Data through May 2026
When you fly SJC to HOU matters as much as anything else about the booking: the route swung from 100% on-time in January 2025 to just 73% in April 2026. Across the full period the route averages 92% on-time against a national 78%.
- On-time
- 92%
- arrived <15 min late
- Avg delay
- 4 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 1.0
- last 12 months
- Duration
- 3h 42m
- scheduled
- Distance
- 1,621 mi
Monthly on-time trend
Best time to fly from SJC to HOU
Aim for departures around 6 a.m. (97% on-time); avoid 11 a.m. departures (77%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 85% | 5 min |
| Tuesday | 95% | 3 min |
| Wednesday | 92% | 4 min |
| Thursday | 85% | 5 min |
| Friday | 92% | 4 min |
| Saturday | 95% | 3 min |
| Sundaybest | 96% | 3 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft20%
- Airline operations55%
- National airspace system25%
- Security1%
Frequently asked questions
- How often are flights from SJC to HOU delayed?
- 8% of SJC–HOU flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 4 minutes.
- What is the best time of day to fly from SJC to HOU?
- Departures around 6 a.m. have the best record (97% on-time), while departures around 11 a.m. have the worst (77%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SJC to HOU?
- The scheduled SJC–HOU flight time averages 3h 42m over 1,621 miles. Actual arrival times vary — flights on this route land 15+ minutes late 8% of the time.
- How often are SJC to HOU flights cancelled?
- 0.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from SJC to HOU?
- April 2026 was the roughest month in this dataset, with only 73% of arrivals on time. The best was January 2025 at 100%. If your dates are flexible, that 27-point gap is worth planning around.
Explore related pages
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Based on 729 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.