Best Time to Fly SJC to HOU: On-Time Stats by Hour & Airline
Norman Y. Mineta San Jose International → William P Hobby
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 90.1% of San Jose (SJC) to Houston (HOU) flights arrived on time (365 scheduled flights). That is 12.5 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (98% on time) and Thursday the weakest day of the week (85%).
0.3% of flights were cancelled, versus 1.8% nationally.
SJC to HOU 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 | 90.1% | 30 min | 0.3% | 365 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SJC to HOU
On-time arrival % by scheduled departure hour (local time), 729 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 97.1% | 0.0% | 173 |
| 7am–8am | 95.5% | 0.5% | 204 |
| 8am–9am | 89.5% | 0.0% | 105 |
| 9am–10am | 90.1% | 0.0% | 73 |
| 10am–11am | Limited data | 1 | |
| 11am–12pm | 78.3% | 2.8% | 72 |
| 12pm–1pm | 80.3% | 0.0% | 66 |
| 1pm–2pm | Limited data | 19 | |
| 2pm–3pm | Limited data | 16 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SJC to HOU
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) | Limited data | 30 | ||
| Summer peak (Jun 15 - Aug 15) | 90.9% | -0.5 pts | 0.0% | 124 |
| All other days | 91.4% | — | 0.4% | 561 |
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).