FlightRecord

Los Angeles (LAX) to Buffalo (BUF): On-Time Performance

Data through July 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, 65% arrived on time, noticeably below the national average of 78%. Cancellations are the bigger caveat: 3.2% of scheduled flights never departed.

On-time
65%
arrived <15 min late
Avg delay
35 min
completed flights
Cancelled
3.2%
Flights/day
0.38
last 12 months
Duration
4h 50m
scheduled
Distance
2,218 mi

Monthly on-time trend

Monthly on-time percentage for LAX to BUF flights50%75%100%July 2024: 74% on-time (31 flights)74Jul 2024October 2024: 94% on-time (18 flights)94November 2024: 78% on-time (9 flights)78December 2024: 59% on-time (17 flights)59Dec 2024January 2025: 50% on-time (6 flights)50April 2025: 100% on-time (1 flights)100May 2025: 87% on-time (31 flights)87May 2025June 2025: 73% on-time (30 flights)73July 2025: 67% on-time (31 flights)67August 2025: 55% on-time (31 flights)55Aug 2025September 2025: 100% on-time (2 flights)100November 2025: 60% on-time (11 flights)60December 2025: 21% on-time (16 flights)21Dec 2025January 2026: 20% on-time (5 flights)20May 2026: 82% on-time (11 flights)82June 2026: 64% on-time (30 flights)64Jun 2026July 2026: 37% on-time (31 flights)37

Best time to fly from LAX to BUF

Aim for departures around 2 p.m. (88% on-time); avoid 11 p.m. departures (60%).

On-time percentage by scheduled departure hour, LAX to BUF2 p.m.: 88% on-time (41 flights)149 p.m.: 62% on-time (62 flights)2110 p.m.: 66% on-time (35 flights)2211 p.m.: 60% on-time (172 flights)23scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday69%45 min
Tuesdaybest77%17 min
Wednesday67%19 min
Thursday61%29 min
Friday65%50 min
Saturday68%17 min
Sunday50%65 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft58%
  • Airline operations38%
  • National airspace system5%

Frequently asked questions

How often are flights from LAX to BUF delayed?
35% of LAX–BUF 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 35 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 11 p.m. have the worst (60%). 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 50m over 2,218 miles. Actual arrival times vary — flights on this route land 15+ minutes late 35% of the time.
How often are LAX to BUF flights cancelled?
3.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
What day of the week is most reliable for LAX to BUF?
Tuesday flights have the best record at 77% on-time. Day-of-week differences on this route are meaningful — Sunday trails at 50%.

Based on 311 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.