Houston (HOU) to Oakland (OAK): On-Time Performance
Data through July 2026
When you fly HOU to OAK matters as much as anything else about the booking: the route swung from 94% on-time in May 2026 to just 48% in June 2025. Across the full period the route averages 75% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 66%), which matters most in the rough months.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 1.0
- last 12 months
- Duration
- 4h 9m
- scheduled
- Distance
- 1,642 mi
Monthly on-time trend
Best time to fly from HOU to OAK
Aim for departures around 7 a.m. (94% on-time); avoid 6 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 13 min |
| Tuesday | 80% | 11 min |
| Wednesday | 73% | 12 min |
| Thursday | 75% | 13 min |
| Fridaybest | 81% | 9 min |
| Saturday | 73% | 15 min |
| Sunday | 69% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft56%
- Airline operations31%
- National airspace system8%
- Weather4%
- Security2%
Frequently asked questions
- How often are flights from HOU to OAK delayed?
- 25% of HOU–OAK flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- What is the best time of day to fly from HOU to OAK?
- Departures around 7 a.m. have the best record (94% on-time), while departures around 6 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from HOU to OAK?
- The scheduled HOU–OAK flight time averages 4h 9m over 1,642 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are HOU to OAK flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from HOU to OAK?
- June 2025 was the roughest month in this dataset, with only 48% of arrivals on time. The best was May 2026 at 94%. If your dates are flexible, that 45-point gap is worth planning around.
Explore related pages
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Related guides
Based on 824 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.