Boise (BOI) to Los Angeles (LAX): On-Time Performance
Data through July 2026
The calendar drives reliability on BOI–LAX. June 2026 flights landed on schedule 98% of the time, but February 2025 dropped to 82% — a gap of 16 points. Across the full period the route averages 92% on-time against a national 78%. Morning departures also hold up better than evening ones (93% vs 85%), which matters most in the rough months.
- On-time
- 92%
- arrived <15 min late
- Avg delay
- 6 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 3.8
- last 12 months
- Duration
- 2h 25m
- scheduled
- Distance
- 674 mi
Monthly on-time trend
Best time to fly from BOI to LAX
Aim for departures around 10 a.m. (100% on-time); avoid 6 p.m. departures (79%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 93% | 5 min |
| Tuesday | 93% | 4 min |
| Wednesday | 93% | 6 min |
| Thursday | 92% | 6 min |
| Friday | 92% | 8 min |
| Saturday | 93% | 5 min |
| Sunday | 92% | 7 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft14%
- Airline operations69%
- National airspace system10%
- Weather6%
Frequently asked questions
- How often are flights from BOI to LAX delayed?
- 8% of BOI–LAX 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 6 minutes.
- What is the best time of day to fly from BOI to LAX?
- Departures around 10 a.m. have the best record (100% on-time), while departures around 6 p.m. have the worst (79%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BOI to LAX?
- The scheduled BOI–LAX flight time averages 2h 25m over 674 miles. Actual arrival times vary — flights on this route land 15+ minutes late 8% of the time.
- How often are BOI to LAX 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 LAX?
- February 2025 was the roughest month in this dataset, with only 82% of arrivals on time. The best was June 2026 at 98%. If your dates are flexible, that 16-point gap is worth planning around.
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Based on 3,215 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.