Historical on-time performance
Buffalo to Boston
Flights on BUF–BOS arrive on time 73% of the time over the last 12 months.
based on 1,153 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.
- Republic AirwaysOn-time83%Medianon timep9050 minCancel0.7%Flights139
- Envoy AirOn-time79%Medianon timep9055 minCancel0.0%Flights48
- JetBlue AirwaysOn-time72%Medianon timep9065 minCancel2.0%Flights966
Why flights run late
Delay causes
- Airline15%
- Weather0%
- Air traffic (NAS)36%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline15%
- Weather55%
- Air traffic (NAS)30%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 20 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 BUF → BOS
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 — 87% on time.
- Mornings87% on time · p90 20 min · 1,223 flights
- Middays77% on time · p90 45 min · 735 flights
- Afternoons65% on time · p90 75 min · 500 flights
- Evenings64% on time · p90 100 min · 548 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 82% on time.
- Tuesdays82% on time · p90 40 min · 430 flights
- Saturdays80% on time · p90 45 min · 366 flights
- Wednesdays80% on time · p90 50 min · 408 flights
- Mondays77% on time · p90 65 min · 450 flights
- Thursdays74% on time · p90 65 min · 453 flights
- Sundays73% on time · p90 65 min · 448 flights
- Fridays72% on time · p90 70 min · 463 flights
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