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

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

78.4% of 370 official scheduled BNA-to-BUF flights arrived on time; 12.2% 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
78.4%arrived on time
12.2%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 late4.1%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+6.2 mincompleted flights

Which departure time was most reliable for BNA to BUF?

Among qualifying BNA-to-BUF departure window results, Late morning had the highest on-time rate: 83.0% of 153 flights. Afternoon was lowest at 75.9% across 212 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning15383.0%8.5%2.0%
Afternoon21275.9%14.6%0.0%

Which weekday was most reliable for BNA to BUF?

Among qualifying BNA-to-BUF weekday results, Tuesday had the highest on-time rate: 90.6% of 53 flights. Thursday was lowest at 65.4% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5271.2%15.4%1.9%
Tuesday5390.6%5.7%0.0%
Wednesday5286.5%9.6%0.0%
Thursday5265.4%23.1%0.0%
Friday5280.8%11.5%0.0%
Saturday5775.4%10.5%1.8%
Sunday5278.8%9.6%1.9%

Which airline was most reliable for BNA to BUF?

Only Southwest Airlines met the BNA-to-BUF airline threshold: 78.4% of 370 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines37078.4%12.2%0.8%

Which month was most reliable for BNA to BUF?

Among qualifying BNA-to-BUF month results, September 2025 had the highest on-time rate: 93.3% of 30 flights. June 2026 was lowest at 43.3% across 30 flights.

MonthFlightsOn time30+ minCancelled
July 20253180.6%16.1%0.0%
August 20253190.3%3.2%0.0%
September 20253093.3%0.0%0.0%
October 20253180.6%3.2%0.0%
November 20253284.4%12.5%0.0%
December 20253378.8%9.1%3.0%
January 20263287.5%6.2%6.2%
February 20262885.7%10.7%0.0%
March 20263174.2%12.9%0.0%
April 20263080.0%16.7%0.0%
May 20263161.3%32.3%0.0%
June 20263043.3%23.3%0.0%

What drove BNA to BUF delay minutes?

Late aircraft was the largest recorded BNA-to-BUF delay category, accounting for 54.0% of 3,909 BTS-attributed delay minutes during July 2025–June 2026.

Airline39.1%
Late aircraft54.0%
National airspace5.9%
Weather1.0%
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.