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Route Reliability

Newark → Buffalo

EWR–BUF · 282 miles · Newark Liberty International Airport to Buffalo Niagara International Airport

58
A Little Dicey
WanderNerd Reliability Score
73%
Arrive within 15 minutes
14 min
Average arrival delay
5.2%
Cancelled
1,061
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 73% of the time across 1,061 flights. No comparison to make.

What the data says

Morning flights do better here.

EWR–BUF flights departing between 6–9 AM arrived on time 86% of the time, versus 62% between 6–9 PM.

Friday comes out ahead.

A small edge: 77% on time on Fridays against 71% on Thursdays.

Keep a backup plan handy.

This route was cancelled 5.2% of the time. Typical for U.S. flights is around 1–2%.

Trending in the right direction.

EWR–BUF flights arrived on time 86% of the time over the last three months in the data, compared with 71% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon71%(143 flights)
  • Tue75%(149 flights)
  • Wed75%(147 flights)
  • Thu71%(147 flights)
  • Fri77%(151 flights)
  • Sat71%(122 flights)
  • Sun73%(146 flights)
On-time by departure window
  • 6–9 AM86%(173 flights)
  • 9 AM–12 PM76%(125 flights)
  • 12–3 PM80%(86 flights)
  • 3–6 PM68%(277 flights)
  • 6–9 PM62%(90 flights)
  • 9 PM–12 AM71%(254 flights)
On-time trend by month
93%
May

Jun 63% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%67
July 202558%76
August 202572%89
September 202575%89
October 202568%113
November 202566%82
December 202564%69
January 202673%82
February 202677%74
March 202678%87
April 202688%90
May 202693%87

Same trip, other airports

Keep nerding

Based on 1,061 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.