Best Time to Fly HOU to SJC: On-Time Stats by Hour & Airline
William P Hobby → Norman Y. Mineta San Jose International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 84.6% of Houston (HOU) to San Jose (SJC) flights arrived on time (364 scheduled flights). That is 6.9 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
January has been the best month (92% on time) and Wednesday the weakest day of the week (83%).
0.0% of flights were cancelled, versus 1.8% nationally.
HOU to SJC on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 84.6% | 47 min | 0.0% | 364 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HOU to SJC
On-time arrival % by scheduled departure hour (local time), 728 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 91.2% | 0.0% | 57 |
| 8am–9am | 92.5% | 0.0% | 174 |
| 9am–10am | 90.6% | 3.6% | 55 |
| 10am–11am | 83.3% | 0.0% | 30 |
| 11am–12pm | Limited data | 21 | |
| 12pm–1pm | 81.4% | 0.9% | 114 |
| 1pm–2pm | 75.0% | 0.0% | 44 |
| 2pm–3pm | 80.0% | 0.0% | 30 |
| 3pm–4pm | 79.4% | 0.0% | 63 |
| 4pm–5pm | Limited data | 24 | |
| 5pm–6pm | 77.4% | 0.0% | 85 |
| 6pm–7pm | Limited data | 3 | |
| 7pm–8pm | Limited data | 5 | |
| 8pm–9pm | Limited data | 23 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on HOU to SJC
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 90.0% | +5.4 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 86.2% | +1.6 pts | 0.0% | 124 |
| All other days | 84.6% | — | 0.5% | 560 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).