Historical on-time performance
Boston to Buffalo
Flights on BOS–BUF arrive on time 74% of the time over the last 12 months.
based on 1,154 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Envoy AirOn-time84%Medianon timep9035 minCancel0.0%Flights49
- Republic AirwaysOn-time83%Medianon timep9035 minCancel0.7%Flights139
- JetBlue AirwaysOn-time72%Medianon timep9065 minCancel2.2%Flights966
Why flights run late
Delay causes
- Airline26%
- Weather3%
- Air traffic (NAS)10%
- Late aircraft61%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline14%
- Weather50%
- Air traffic (NAS)36%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 22 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 BOS → BUF
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 86% on time.
- Mornings86% on time · p90 20 min · 727 flights
- Middays79% on time · p90 40 min · 713 flights
- Afternoons76% on time · p90 60 min · 603 flights
- Overnights73% on time · p90 65 min · 434 flights
- Evenings60% on time · p90 100 min · 542 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 84% on time.
- Tuesdays84% on time · p90 25 min · 425 flights
- Saturdays80% on time · p90 40 min · 370 flights
- Wednesdays79% on time · p90 50 min · 408 flights
- Mondays74% on time · p90 75 min · 455 flights
- Thursdays73% on time · p90 65 min · 457 flights
- Sundays72% on time · p90 65 min · 450 flights
- Fridays71% on time · p90 70 min · 454 flights
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