Best Time to Fly HOU to OAK: On-Time Stats by Hour & Airline
William P Hobby → Oakland International
Data through July 2026 · Last updated October 18, 2026
375 flights were scheduled from Houston (HOU) to Oakland (OAK) in the last 12 months, and 76.2% of those that flew arrived on time, 1.4 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
October has been the best month (87% on time) and Sunday the weakest day of the week (71%).
0.3% of flights were cancelled, versus 1.8% nationally.
HOU to OAK 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 | 76.2% | 44 min | 0.3% | 375 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HOU to OAK
On-time arrival % by scheduled departure hour (local time), 766 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 1 | |
| 6am–7am | Limited data | 3 | |
| 7am–8am | Limited data | 27 | |
| 8am–9am | 92.8% | 0.0% | 139 |
| 9am–10am | 82.0% | 0.0% | 39 |
| 10am–11am | Limited data | 19 | |
| 11am–12pm | 77.4% | 0.0% | 62 |
| 12pm–1pm | Limited data | 5 | |
| 1pm–2pm | Limited data | 7 | |
| 2pm–3pm | Limited data | 28 | |
| 3pm–4pm | 69.4% | 0.0% | 108 |
| 4pm–5pm | Limited data | 24 | |
| 5pm–6pm | Limited data | 22 | |
| 6pm–7pm | 61.4% | 1.1% | 89 |
| 7pm–8pm | 76.3% | 0.6% | 174 |
| 8pm–9pm | Limited data | 2 | |
| 9pm–10pm | Limited data | 17 | |
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 OAK
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 | 18 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 80.0% | +0.5 pts | 0.0% | 35 |
| Summer peak (Jun 15 - Aug 15) | 58.7% | -20.7 pts | 0.8% | 127 |
| All other days | 79.5% | — | 0.3% | 586 |
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).