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

Louisville, KY (SDF) to Fort Lauderdale, FL (FLL) flight delay odds

66.2% of 325 official scheduled SDF-to-FLL flights arrived on time; 24.6% arrived at least 30 minutes late and 4.6% 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 SIGNALHigher disruption
66.2%arrived on time
24.6%30+ min late
4.6%cancelled
325scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late13.8%all scheduled flights
120+ minutes late6.2%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+17.3 mincompleted flights

Which departure time was most reliable for SDF to FLL?

Among qualifying SDF-to-FLL departure window results, Late morning had the highest on-time rate: 82.1% of 67 flights. Afternoon was lowest at 62.5% across 72 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning5078.0%6.0%14.0%
Late morning6782.1%14.9%0.0%
Afternoon7262.5%23.6%8.3%
Evening11465.8%26.3%0.9%

Which weekday was most reliable for SDF to FLL?

Among qualifying SDF-to-FLL weekday results, Saturday had the highest on-time rate: 78.8% of 33 flights. Sunday was lowest at 53.3% across 45 flights.

DayFlightsOn time30+ minCancelled
Monday7859.0%30.8%3.8%
Tuesday3073.3%16.7%3.3%
Thursday3770.3%18.9%5.4%
Friday7764.9%29.9%2.6%
Saturday3378.8%9.1%9.1%
Sunday4553.3%35.6%6.7%

Which airline was most reliable for SDF to FLL?

Among qualifying SDF-to-FLL airline results, Spirit Airlines had the highest on-time rate: 70.2% of 198 flights. Allegiant Air was lowest at 57.8% across 116 flights.

AirlineFlightsOn time30+ minCancelled
Spirit Airlines19870.2%17.7%7.1%
Allegiant Air11657.8%37.1%0.9%
Southwest Airlines1181.8%18.2%0.0%

Which month was most reliable for SDF to FLL?

Among qualifying SDF-to-FLL month results, September 2025 had the highest on-time rate: 96.7% of 30 flights. March 2026 was lowest at 39.3% across 28 flights.

MonthFlightsOn time30+ minCancelled
July 20254393.0%4.7%2.3%
August 20253568.6%20.0%0.0%
September 20253096.7%3.3%0.0%
October 20253378.8%12.1%0.0%
November 20252673.1%26.9%0.0%
December 20253246.9%37.5%12.5%
January 20262867.9%10.7%14.3%
February 20262365.2%21.7%8.7%
March 20262839.3%46.4%10.7%
April 20262245.5%40.9%4.5%

What drove SDF to FLL delay minutes?

Late aircraft was the largest recorded SDF-to-FLL delay category, accounting for 59.3% of 7,690 BTS-attributed delay minutes during July 2025–June 2026.

Airline15.5%
Late aircraft59.3%
National airspace22.5%
Weather2.7%
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.