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Airport Reliability

BUF · Buffalo

Buffalo Niagara International Airport

79%
Departures within 15 minutes
16 min
Average departure delay
74%
Arrivals within 15 minutes
2.8%
Departures cancelled

Based on 26,070 departures and 26,070 arrivals. Data through May 2026.

What the data says

Morning-you made the right choice.

Departures from BUF departing between 3–6 AM arrived on time 91% of the time, versus 60% between 9 PM–12 AM.

Wednesday has been the better bet.

A small edge: 81% on time on Wednesdays against 75% on Sundays.

Trending in the right direction.

Departures from BUF arrived on time 81% of the time over the last three months in the data, compared with 72% in the three months before that.

When BUF gets messy

On-time by departure window
  • 3–6 AM91%(1133 flights)
  • 6–9 AM87%(7222 flights)
  • 9 AM–12 PM84%(4323 flights)
  • 12–3 PM75%(4517 flights)
  • 3–6 PM67%(4467 flights)
  • 6–9 PM70%(3533 flights)
  • 9 PM–12 AM60%(84 flights)
On-time by weekday
  • Mon77%(3667 flights)
  • Tue80%(3485 flights)
  • Wed81%(3462 flights)
  • Thu78%(3704 flights)
  • Fri79%(3737 flights)
  • Sat79%(3489 flights)
  • Sun75%(3735 flights)
On-time trend by month
83%
May

Jun 76% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%2236
July 202574%2306
August 202581%2440
September 202587%2195
October 202582%2299
November 202578%2054
December 202566%1864
January 202673%1656
February 202677%1714
March 202676%2037
April 202684%2131
May 202683%2347

Airlines departing BUF

Busiest routes from BUF

Based on 26,070 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.