BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
BUF→BNA

Buffalo, NY (BUF) to Nashville, TN (BNA) flight delay odds

77.0% of 370 official scheduled BUF-to-BNA flights arrived on time; 8.6% arrived at least 30 minutes late and 0.8% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
77.0%arrived on time
8.6%30+ min late
0.8%cancelled
370scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.3%all scheduled flights
120+ minutes late1.6%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+6.7 mincompleted flights

Which departure time was most reliable for BUF to BNA?

Among qualifying BUF-to-BNA departure window results, Late morning had the highest on-time rate: 89.7% of 78 flights. Afternoon was lowest at 71.2% across 250 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning7889.7%1.3%1.3%
Afternoon25071.2%12.4%0.8%

Which weekday was most reliable for BUF to BNA?

Among qualifying BUF-to-BNA weekday results, Wednesday had the highest on-time rate: 84.6% of 52 flights. Friday was lowest at 73.1% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5273.1%5.8%1.9%
Tuesday5381.1%9.4%0.0%
Wednesday5284.6%5.8%0.0%
Thursday5275.0%9.6%0.0%
Friday5273.1%11.5%0.0%
Saturday5773.7%7.0%1.8%
Sunday5278.8%11.5%1.9%

Which airline was most reliable for BUF to BNA?

Only Southwest Airlines met the BUF-to-BNA airline threshold: 77.0% of 370 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines37077.0%8.6%0.8%

Which month was most reliable for BUF to BNA?

Among qualifying BUF-to-BNA month results, September 2025 had the highest on-time rate: 90.0% of 30 flights. December 2025 was lowest at 54.5% across 33 flights.

MonthFlightsOn time30+ minCancelled
July 20253167.7%12.9%0.0%
August 20253183.9%6.5%0.0%
September 20253090.0%0.0%0.0%
October 20253171.0%6.5%0.0%
November 20253287.5%3.1%0.0%
December 20253354.5%21.2%3.0%
January 20263275.0%3.1%6.2%
February 20262875.0%14.3%0.0%
March 20263174.2%22.6%0.0%
April 20263090.0%0.0%0.0%
May 20263183.9%0.0%0.0%
June 20263073.3%13.3%0.0%

What drove BUF to BNA delay minutes?

Late aircraft was the largest recorded BUF-to-BNA delay category, accounting for 60.5% of 3,635 BTS-attributed delay minutes during July 2025–June 2026.

Airline21.9%
Late aircraft60.5%
National airspace17.6%
Weather0.0%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.