Best Time to Fly IAH to SJC: On-Time Stats by Hour & Airline
George Bush Intercontinental/Houston → Norman Y. Mineta San Jose International
Data through July 2026 · Last updated October 18, 2026
215 flights were scheduled from Houston (IAH) to San Jose (SJC) in the last 12 months, and 85.1% of those that flew arrived on time, 7.5 points above the US average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
October has been the best month (93% on time) and Friday the weakest day of the week (74%).
0.0% of flights were cancelled, versus 1.8% nationally.
IAH 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 |
|---|---|---|---|---|
| United Airlines | 85.1% | 74 min | 0.0% | 215 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly IAH to SJC
On-time arrival % by scheduled departure hour (local time), 465 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 1 | |
| 8am–9am | Limited data | 1 | |
| 9am–10am | 82.9% | 1.3% | 77 |
| 10am–11am | 84.8% | 0.0% | 224 |
| 11am–12pm | Limited data | 1 | |
| 4pm–5pm | Limited data | 1 | |
| 5pm–6pm | Limited data | 1 | |
| 6pm–7pm | Limited data | 19 | |
| 7pm–8pm | 84.1% | 0.0% | 69 |
| 8pm–9pm | 69.0% | 0.0% | 71 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on IAH 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) | Limited data | 15 | ||
| Summer peak (Jun 15 - Aug 15) | 73.8% | -10.9 pts | 0.0% | 122 |
| All other days | 84.7% | — | 0.3% | 314 |
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).