Historical on-time performance
Philadelphia to Buffalo
Flights on PHL–BUF arrive on time 65% of the time over the last 12 months.
based on 170 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-time74%Medianon timep9060 minCancel4.9%Flights61
- PSA AirlinesOn-time60%Median5 minp90115 minCancel7.3%Flights109
Why flights run late
Delay causes
- Airline40%
- Weather5%
- Air traffic (NAS)12%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather73%
- Air traffic (NAS)27%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 11 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 PHL → 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 59% to 79% on time.
- Middays79% on time · p90 40 min · 167 flights · limited
- Afternoons77% on time · p90 35 min · 102 flights · limited
- Overnights69% on time · p90 65 min · 411 flights
- Evenings59% on time · p90 100 min · 155 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 79% on time.
- Tuesdays79% on time · p90 40 min · 119 flights · limited
- Wednesdays74% on time · p90 45 min · 121 flights · limited
- Thursdays74% on time · p90 45 min · 134 flights · limited
- Mondays70% on time · p90 60 min · 132 flights · limited
- Fridays70% on time · p90 60 min · 128 flights · limited
- Saturdays67% on time · p90 50 min · 129 flights · limited
- Sundays67% on time · p90 50 min · 140 flights · limited
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