Los Angeles (LAX) to Buffalo (BUF): On-Time Performance
Data through May 2026
Los Angeles (LAX) to Buffalo (BUF) 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, 70% arrived on time, noticeably below the national average of 78%.
- On-time
- 70%
- arrived <15 min late
- Avg delay
- 31 min
- completed flights
- Cancelled
- 1.4%
- Flights/day
- 0.38
- last 12 months
- Duration
- 4h 49m
- scheduled
- Distance
- 2,218 mi
Monthly on-time trend
Best time to fly from LAX to BUF
Aim for departures around 2 p.m. (88% on-time); avoid 9 p.m. departures (62%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 40 min |
| Tuesdaybest | 80% | 7 min |
| Wednesday | 74% | 14 min |
| Thursday | 71% | 26 min |
| Friday | 64% | 53 min |
| Saturday | 71% | 17 min |
| Sunday | 55% | 51 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft57%
- Airline operations38%
- National airspace system5%
Frequently asked questions
- How often are flights from LAX to BUF delayed?
- 30% of LAX–BUF 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 31 minutes.
- What is the best time of day to fly from LAX to BUF?
- Departures around 2 p.m. have the best record (88% on-time), while departures around 9 p.m. have the worst (62%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAX to BUF?
- The scheduled LAX–BUF flight time averages 4h 49m over 2,218 miles. Actual arrival times vary — flights on this route land 15+ minutes late 30% of the time.
- How often are LAX to BUF flights cancelled?
- 1.4% 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 LAX to BUF?
- Tuesday flights have the best record at 80% on-time. Day-of-week differences on this route are meaningful — Sunday trails at 55%.
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Based on 280 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.