Boise (BOI) to Oakland (OAK): On-Time Performance
Data through May 2026
Boise (BOI) to Oakland (OAK) effectively runs on two schedules. In August 2025, 96% of arrivals were on time; in May 2026 that fell to 77% — a 19-point seasonal swing. Across the full period the route averages 87% on-time against a national 78%. Morning departures also hold up better than evening ones (95% vs 76%), which matters most in the rough months.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 1.6
- 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 6 a.m. (96% on-time); avoid 6 p.m. departures (70%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 10 min |
| Tuesdaybest | 91% | 6 min |
| Wednesday | 90% | 4 min |
| Thursday | 86% | 8 min |
| Friday | 85% | 12 min |
| Saturday | 88% | 8 min |
| Sunday | 83% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft64%
- Airline operations33%
- National airspace system3%
Frequently asked questions
- How often are flights from BOI to OAK delayed?
- 13% of BOI–OAK flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. 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 6 a.m. have the best record (96% on-time), while departures around 6 p.m. have the worst (70%). 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 13% of the time.
- How often are BOI to OAK flights cancelled?
- 0.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from BOI to OAK?
- May 2026 was the roughest month in this dataset, with only 77% of arrivals on time. The best was August 2025 at 96%. If your dates are flexible, that 19-point gap is worth planning around.
Explore related pages
More routes from BOI
Based on 1,261 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.