Historical on-time performance
Buffalo to Philadelphia
279 miData through Dec 2025Source: US DOT · BTS
Flights on BUF–PHL arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 107 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- PSA AirlinesOn-time75%Medianon timep9045 minCancel0.0%Flights107
Why flights run late
Delay causes
- Airline45%
- Weather13%
- Air traffic (NAS)7%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BUF → PHL
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 53% to 81% on time.
- Mornings81% on time · p90 30 min · 489 flights
- Middays80% on time · p90 40 min · 213 flights
- Afternoons75% on time · p90 45 min · 167 flights · limited
- Evenings53% on time · p90 120 min · 51 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 83% on time.
- Wednesdays83% on time · p90 30 min · 126 flights · limited
- Thursdays81% on time · p90 40 min · 134 flights · limited
- Saturdays80% on time · p90 50 min · 131 flights · limited
- Tuesdays78% on time · p90 35 min · 130 flights · limited
- Mondays78% on time · p90 70 min · 136 flights · limited
- Sundays75% on time · p90 40 min · 138 flights · limited
- Fridays72% on time · p90 45 min · 125 flights · limited
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