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

Louisville, KY (SDF) to Nashville, TN (BNA) flight delay odds

79.5% of 443 official scheduled SDF-to-BNA flights arrived on time; 11.7% arrived at least 30 minutes late and 0.9% 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
79.5%arrived on time
11.7%30+ min late
0.9%cancelled
443scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late2.3%all scheduled flights
120+ minutes late0.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+5.3 mincompleted flights

Which departure time was most reliable for SDF to BNA?

Among qualifying SDF-to-BNA departure window results, Early morning had the highest on-time rate: 94.5% of 128 flights. Evening was lowest at 57.1% across 98 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning12894.5%3.9%0.0%
Late morning11782.9%6.8%3.4%
Afternoon10078.0%9.0%0.0%
Evening9857.1%30.6%0.0%

Which weekday was most reliable for SDF to BNA?

Among qualifying SDF-to-BNA weekday results, Tuesday had the highest on-time rate: 86.2% of 65 flights. Sunday was lowest at 72.7% across 66 flights.

DayFlightsOn time30+ minCancelled
Monday6476.6%10.9%0.0%
Tuesday6586.2%9.2%0.0%
Wednesday6382.5%7.9%1.6%
Thursday6573.8%15.4%1.5%
Friday6481.2%10.9%0.0%
Saturday5683.9%12.5%1.8%
Sunday6672.7%15.2%1.5%

Which airline was most reliable for SDF to BNA?

Only Southwest Airlines met the SDF-to-BNA airline threshold: 79.5% of 443 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines44379.5%11.7%0.9%

Which month was most reliable for SDF to BNA?

Among qualifying SDF-to-BNA month results, January 2026 had the highest on-time rate: 90.6% of 32 flights. December 2025 was lowest at 69.7% across 33 flights.

MonthFlightsOn time30+ minCancelled
August 20252387.0%8.7%0.0%
September 20252688.5%0.0%3.8%
October 20252777.8%3.7%0.0%
November 20253378.8%18.2%0.0%
December 20253369.7%12.1%0.0%
January 20263290.6%3.1%6.2%
February 20262885.7%3.6%3.6%
March 20265877.6%19.0%0.0%
April 20266180.3%8.2%0.0%
May 20266279.0%16.1%0.0%
June 20266071.7%18.3%0.0%

What drove SDF to BNA delay minutes?

Late aircraft was the largest recorded SDF-to-BNA delay category, accounting for 43.7% of 3,801 BTS-attributed delay minutes during July 2025–June 2026.

Airline23.6%
Late aircraft43.7%
National airspace29.0%
Weather3.7%
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.