Oakland (OAK) to Boise (BOI): On-Time Performance
Data through July 2026
The calendar drives reliability on OAK–BOI. January 2026 flights landed on schedule 93% of the time, but July 2024 dropped to 67% — a gap of 27 points. Across the full period the route averages 83% on-time against a national 78%.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 10 min
- completed flights
- Cancelled
- 0.1%
- Flights/day
- 1.5
- last 12 months
- Duration
- 1h 32m
- scheduled
- Distance
- 512 mi
Monthly on-time trend
Best time to fly from OAK to BOI
Aim for departures around 12 p.m. (94% on-time); avoid 8 p.m. departures (72%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 12 min |
| Tuesday | 85% | 10 min |
| Wednesday | 86% | 7 min |
| Thursday | 83% | 9 min |
| Friday | 78% | 13 min |
| Saturdaybest | 87% | 6 min |
| Sunday | 76% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft60%
- Airline operations32%
- National airspace system8%
Frequently asked questions
- How often are flights from OAK to BOI delayed?
- 18% of OAK–BOI 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 10 minutes.
- What is the best time of day to fly from OAK to BOI?
- Departures around 12 p.m. have the best record (94% on-time), while departures around 8 p.m. have the worst (72%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from OAK to BOI?
- The scheduled OAK–BOI flight time averages 1h 32m over 512 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are OAK to BOI flights cancelled?
- 0.1% 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 OAK to BOI?
- July 2024 was the roughest month in this dataset, with only 67% of arrivals on time. The best was January 2026 at 93%. If your dates are flexible, that 27-point gap is worth planning around.
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Based on 1,271 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.