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Route Reliability

Buffalo → Newark

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

63
A Little Dicey
WanderNerd Reliability Score
78%
Arrive within 15 minutes
15 min
Average arrival delay
4.8%
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 78% of the time across 1,061 flights. No comparison to make.

What the data says

Morning flights do better here.

BUF–EWR flights departing between 6–9 AM arrived on time 89% of the time, versus 60% between 6–9 PM.

Thursday is the weak spot.

BUF–EWR flights arrived on time 85% of the time on Fridays. On Thursdays: 74%.

Keep a backup plan handy.

This route was cancelled 4.8% of the time. Typical for U.S. flights is around 1–2%.

Trending in the right direction.

BUF–EWR flights arrived on time 87% of the time over the last three months in the data, compared with 77% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon76%(144 flights)
  • Tue77%(148 flights)
  • Wed79%(150 flights)
  • Thu74%(145 flights)
  • Fri85%(151 flights)
  • Sat80%(124 flights)
  • Sun75%(145 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM89%(372 flights)
  • 9 AM–12 PM83%(279 flights)
  • 12–3 PM74%(19 flights)
  • 3–6 PM68%(66 flights)
  • 6–9 PM60%(270 flights)
On-time trend by month
93%
May

Jun 74% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%70
July 202566%77
August 202570%86
September 202581%90
October 202574%112
November 202577%83
December 202578%71
January 202680%80
February 202672%75
March 202683%86
April 202686%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.