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

Louisville, KY (SDF) to Atlanta, GA (ATL) flight delay odds

88.5% of 2,707 official scheduled SDF-to-ATL flights arrived on time; 7.2% arrived at least 30 minutes late and 1.6% 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
88.5%arrived on time
7.2%30+ min late
1.6%cancelled
2,707scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.5%all scheduled flights
120+ minutes late2.0%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival-7.7 mincompleted flights

Which departure time was most reliable for SDF to ATL?

Among qualifying SDF-to-ATL departure window results, Early morning had the highest on-time rate: 90.5% of 1,034 flights. Evening was lowest at 84.7% across 510 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,03490.5%6.1%1.3%
Late morning43589.7%4.8%2.8%
Afternoon72887.5%7.8%1.5%
Evening51084.7%10.6%1.4%

Which weekday was most reliable for SDF to ATL?

Among qualifying SDF-to-ATL weekday results, Wednesday had the highest on-time rate: 93.4% of 366 flights. Sunday was lowest at 82.2% across 404 flights.

DayFlightsOn time30+ minCancelled
Monday41185.6%9.7%1.9%
Tuesday37688.3%8.2%1.3%
Wednesday36693.4%4.1%0.3%
Thursday40492.3%5.2%0.0%
Friday40590.1%6.7%1.2%
Saturday34187.7%7.0%1.8%
Sunday40482.2%9.2%4.5%

Which airline was most reliable for SDF to ATL?

Only Delta Air Lines met the SDF-to-ATL airline threshold: 88.5% of 2,705 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines2,70588.5%7.2%1.6%
Spirit Airlines250.0%0.0%0.0%

Which month was most reliable for SDF to ATL?

Among qualifying SDF-to-ATL month results, September 2025 had the highest on-time rate: 98.6% of 222 flights. December 2025 was lowest at 81.5% across 216 flights.

MonthFlightsOn time30+ minCancelled
July 202523085.2%9.1%0.4%
August 202524191.7%6.2%0.8%
September 202522298.6%0.9%0.0%
October 202523093.5%3.0%0.0%
November 202521384.0%9.9%1.9%
December 202521681.5%12.0%3.7%
January 202619183.2%11.0%3.7%
February 202619491.2%4.1%0.5%
March 202623183.1%9.1%4.8%
April 202624092.1%3.8%1.7%
May 202626388.6%8.4%1.5%
June 202623687.7%9.3%0.4%

What drove SDF to ATL delay minutes?

Late aircraft was the largest recorded SDF-to-ATL delay category, accounting for 36.2% of 23,487 BTS-attributed delay minutes during July 2025–June 2026.

Airline34.6%
Late aircraft36.2%
National airspace22.5%
Weather6.7%
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.