Historical on-time performance
New York to Buffalo
292 miData through May 2026Source: US DOT · BTS
Flights on LGA–BUF arrive on time 70% of the time over the last 12 months.
On-time rate70%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled6.3%of scheduled flights
based on 1,899 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time70%Medianon timep9060 minCancel6.3%Flights1,899
Why flights run late
Delay causes
- Airline20%
- Weather10%
- Air traffic (NAS)21%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline18%
- Weather42%
- Air traffic (NAS)40%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 120 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly LGA → BUF
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 70% to 85% on time.
- Mornings85% on time · p90 20 min · 1,161 flights
- Evenings83% on time · p90 40 min · 186 flights · limited
- Middays82% on time · p90 25 min · 1,302 flights
- Afternoons75% on time · p90 45 min · 1,567 flights
- Overnights70% on time · p90 55 min · 1,638 flights
Best day of week
Saturdays are the most reliable day to fly this route — 85% on time.
- Saturdays85% on time · p90 20 min · 448 flights
- Wednesdays79% on time · p90 40 min · 927 flights
- Tuesdays79% on time · p90 40 min · 927 flights
- Thursdays77% on time · p90 40 min · 929 flights
- Fridays77% on time · p90 40 min · 919 flights
- Mondays75% on time · p90 45 min · 926 flights
- Sundays72% on time · p90 45 min · 778 flights
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