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

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

73.9% of 444 official scheduled BNA-to-SDF flights arrived on time; 15.5% arrived at least 30 minutes late and 0.5% 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
73.9%arrived on time
15.5%30+ min late
0.5%cancelled
444scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.9%all scheduled flights
120+ minutes late2.5%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+10.7 mincompleted flights

Which departure time was most reliable for BNA to SDF?

Among qualifying BNA-to-SDF departure window results, Late morning had the highest on-time rate: 81.2% of 64 flights. Evening was lowest at 59.8% across 117 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning6481.2%7.8%0.0%
Afternoon25179.3%11.6%0.8%
Evening11759.8%25.6%0.0%

Which weekday was most reliable for BNA to SDF?

Among qualifying BNA-to-SDF weekday results, Thursday had the highest on-time rate: 82.8% of 64 flights. Friday was lowest at 59.4% across 64 flights.

DayFlightsOn time30+ minCancelled
Monday6473.4%17.2%0.0%
Tuesday6580.0%15.4%0.0%
Wednesday6377.8%9.5%0.0%
Thursday6482.8%10.9%0.0%
Friday6459.4%18.8%0.0%
Saturday5669.6%19.6%1.8%
Sunday6873.5%17.6%1.5%

Which airline was most reliable for BNA to SDF?

Only Southwest Airlines met the BNA-to-SDF airline threshold: 73.9% of 444 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines44473.9%15.5%0.5%

Which month was most reliable for BNA to SDF?

Among qualifying BNA-to-SDF month results, September 2025 had the highest on-time rate: 92.3% of 26 flights. June 2026 was lowest at 61.7% across 60 flights.

MonthFlightsOn time30+ minCancelled
August 20252378.3%13.0%0.0%
September 20252692.3%3.8%0.0%
October 20252770.4%7.4%0.0%
November 20253485.3%11.8%0.0%
December 20253363.6%30.3%0.0%
January 20263287.5%3.1%6.2%
February 20262871.4%14.3%0.0%
March 20265872.4%17.2%0.0%
April 20266081.7%5.0%0.0%
May 20266365.1%22.2%0.0%
June 20266061.7%28.3%0.0%

What drove BNA to SDF delay minutes?

Late aircraft was the largest recorded BNA-to-SDF delay category, accounting for 69.1% of 6,107 BTS-attributed delay minutes during July 2025–June 2026.

Airline23.6%
Late aircraft69.1%
National airspace7.0%
Weather0.3%
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.