Historical on-time performance
Newark to Buffalo
282 miData through Dec 2025Source: US DOT · BTS
Flights on EWR–BUF arrive on time 63% of the time over the last 12 months.
On-time rate63%arrived within 15 min
p90 delay85 min1 in 10 flights is worse (tail risk)
Cancelled5.6%of scheduled flights
based on 178 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Republic AirwaysOn-time71%Medianon timep9035 minCancel9.1%Flights55
- United AirlinesOn-time59%Medianon timep90105 minCancel4.1%Flights123
Why flights run late
Delay causes
- Airline20%
- Weather0%
- Air traffic (NAS)7%
- Late aircraft72%
- 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 EWR → BUF
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 59% to 89% on time.
- Middays89% on time · p90 15 min · 266 flights
- Mornings88% on time · p90 15 min · 361 flights
- Afternoons79% on time · p90 25 min · 622 flights
- Evenings73% on time · p90 20 min · 70 flights · limited
- Overnights59% on time · p90 85 min · 996 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 78% on time.
- Tuesdays78% on time · p90 40 min · 347 flights
- Thursdays77% on time · p90 60 min · 343 flights
- Wednesdays74% on time · p90 70 min · 343 flights
- Saturdays72% on time · p90 45 min · 254 flights
- Fridays70% on time · p90 55 min · 342 flights
- Sundays69% on time · p90 70 min · 334 flights
- Mondays69% on time · p90 65 min · 352 flights
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