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Route Reliability

Nashville → Buffalo

BNA–BUF · 633 miles · Nashville International Airport to Buffalo Niagara International Airport

85
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
6 min
Average arrival delay
0.8%
Cancelled
370
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 81% of the time across 370 flights. No comparison to make.

What the data says

Morning-you made the right choice.

BNA–BUF flights departing between 9 AM–12 PM arrived on time 89% of the time, versus 71% between 3–6 PM.

Thursdays have been rough.

BNA–BUF flights arrived on time 94% of the time on Tuesdays and just 67% on Thursdays. That gap is worth planning around.

Recent months have been rougher.

BNA–BUF flights arrived on time 74% of the time over the last three months in the data, compared with 88% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon71%(51 flights)
  • Tue94%(52 flights)
  • Wed90%(52 flights)
  • Thu67%(52 flights)
  • Fri82%(51 flights)
  • Sat79%(56 flights)
  • Sun83%(52 flights)
On-time by departure window
  • 9 AM–12 PM89%(150 flights)
  • 12–3 PM78%(160 flights)
  • 3–6 PM71%(51 flights)
  • 6–9 PM—(5 flights)
On-time trend by month
65%
May

Jun 53% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202581%31
August 202590%31
September 202593%30
October 202584%31
November 202584%32
December 202584%31
January 202693%30
February 202686%28
March 202674%31
April 202683%30
May 202665%31

Keep nerding

Based on 370 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.