Buffalo (BUF) to Los Angeles (LAX): On-Time Performance
Data through May 2026
Buffalo (BUF) to Los Angeles (LAX) is a thinner route than most in this dataset — 137 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 66% arrived on time, noticeably below the national average of 78%.
- On-time
- 66%
- arrived <15 min late
- Avg delay
- 29 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 0.38
- last 12 months
- Duration
- 5h 24m
- scheduled
- Distance
- 2,218 mi
Monthly on-time trend
Best time to fly from BUF to LAX
Aim for departures around 10 a.m. (94% on-time); avoid 8 p.m. departures (50%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 65% | 18 min |
| Tuesdaybest | 77% | 7 min |
| Wednesdaybest | 77% | 18 min |
| Thursday | 66% | 29 min |
| Friday | 56% | 46 min |
| Saturday | 71% | 17 min |
| Sunday | 55% | 58 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft59%
- Airline operations28%
- National airspace system11%
- Weather3%
Frequently asked questions
- How often are flights from BUF to LAX delayed?
- 34% of BUF–LAX 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 29 minutes.
- What is the best time of day to fly from BUF to LAX?
- Departures around 10 a.m. have the best record (94% on-time), while departures around 8 p.m. have the worst (50%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BUF to LAX?
- The scheduled BUF–LAX flight time averages 5h 24m over 2,218 miles. Actual arrival times vary — flights on this route land 15+ minutes late 34% of the time.
- How often are BUF to LAX flights cancelled?
- 0.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for BUF to LAX?
- Tuesday flights have the best record at 77% on-time. Day-of-week differences on this route are meaningful — Sunday trails at 55%.
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Based on 279 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.