Boise (BOI) to Oakland (OAK): On-Time Performance
Data through July 2026
Boise (BOI) to Oakland (OAK) effectively runs on two schedules. In August 2025, 96% of arrivals were on time; in June 2026 that fell to 57% — a 40-point seasonal swing. Across the full period the route averages 86% on-time against a national 78%. Morning departures also hold up better than evening ones (95% vs 77%), which matters most in the rough months.
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 1.5
- last 12 months
- Duration
- 1h 47m
- scheduled
- Distance
- 512 mi
Monthly on-time trend
Best time to fly from BOI to OAK
Aim for departures around 7 a.m. (96% on-time); avoid 3 p.m. departures (54%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 12 min |
| Tuesday | 91% | 6 min |
| Wednesdaybest | 92% | 4 min |
| Thursday | 85% | 8 min |
| Friday | 86% | 12 min |
| Saturday | 88% | 8 min |
| Sunday | 78% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft65%
- Airline operations33%
- National airspace system3%
Frequently asked questions
- How often are flights from BOI to OAK delayed?
- 14% of BOI–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 9 minutes.
- What is the best time of day to fly from BOI to OAK?
- Departures around 7 a.m. have the best record (96% on-time), while departures around 3 p.m. have the worst (54%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BOI to OAK?
- The scheduled BOI–OAK flight time averages 1h 47m over 512 miles. Actual arrival times vary — flights on this route land 15+ minutes late 14% of the time.
- How often are BOI to OAK flights cancelled?
- 0.2% 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 BOI to OAK?
- June 2026 was the roughest month in this dataset, with only 57% of arrivals on time. The best was August 2025 at 96%. If your dates are flexible, that 40-point gap is worth planning around.
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Based on 1,270 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.