Historical on-time performance
Boston to Buffalo
395 miData through Dec 2025Source: US DOT · BTS
Flights on BOS–BUF arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled1.3%of scheduled flights
based on 1,035 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- JetBlue AirwaysOn-time76%Medianon timep9060 minCancel1.3%Flights1,035
Why flights run late
Delay causes
- Airline28%
- Weather2%
- Air traffic (NAS)12%
- Late aircraft58%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
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 · 663 flights
- Middays79% on time · p90 40 min · 613 flights
- Afternoons74% on time · p90 60 min · 645 flights
- Overnights71% on time · p90 60 min · 648 flights
- Evenings62% on time · p90 95 min · 434 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 · 432 flights
- Wednesdays80% on time · p90 50 min · 414 flights
- Saturdays77% on time · p90 50 min · 367 flights
- Thursdays74% on time · p90 60 min · 447 flights
- Mondays73% on time · p90 75 min · 453 flights
- Fridays72% on time · p90 65 min · 451 flights
- Sundays71% on time · p90 60 min · 439 flights
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