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

Louisville, KY (SDF) to Miami, FL (MIA) flight delay odds

80.6% of 428 official scheduled SDF-to-MIA flights arrived on time; 12.9% 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
80.6%arrived on time
12.9%30+ min late
1.6%cancelled
428scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.7%all scheduled flights
120+ minutes late4.2%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+15.1 mincompleted flights

Which departure time was most reliable for SDF to MIA?

Only Early morning met the SDF-to-MIA departure window threshold: 82.5% of 365 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Early morning36582.5%11.8%1.6%

Which weekday was most reliable for SDF to MIA?

Among qualifying SDF-to-MIA weekday results, Wednesday had the highest on-time rate: 87.5% of 56 flights. Sunday was lowest at 71.0% across 62 flights.

DayFlightsOn time30+ minCancelled
Monday6180.3%9.8%3.3%
Tuesday5780.7%12.3%1.8%
Wednesday5687.5%7.1%1.8%
Thursday5882.8%13.8%1.7%
Friday6183.6%11.5%0.0%
Saturday7379.5%17.8%0.0%
Sunday6271.0%16.1%3.2%

Which airline was most reliable for SDF to MIA?

Among qualifying SDF-to-MIA airline results, American Airlines had the highest on-time rate: 82.0% of 367 flights. Envoy Air was lowest at 76.1% across 46 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines36782.0%12.3%1.6%
Envoy Air4676.1%8.7%2.2%
Republic Airways1560.0%40.0%0.0%

Which month was most reliable for SDF to MIA?

Among qualifying SDF-to-MIA month results, May 2026 had the highest on-time rate: 94.6% of 37 flights. August 2025 was lowest at 60.3% across 58 flights.

MonthFlightsOn time30+ minCancelled
July 20253580.0%17.1%0.0%
August 20255860.3%29.3%1.7%
September 20253281.2%15.6%0.0%
October 20253193.5%3.2%0.0%
November 20253073.3%13.3%0.0%
December 20253183.9%12.9%0.0%
January 20264180.5%7.3%12.2%
February 20263372.7%15.2%0.0%
March 20263190.3%3.2%3.2%
April 20263591.4%5.7%0.0%
May 20263794.6%2.7%0.0%
June 20263479.4%17.6%0.0%

What drove SDF to MIA delay minutes?

Airline was the largest recorded SDF-to-MIA delay category, accounting for 65.7% of 10,405 BTS-attributed delay minutes during July 2025–June 2026.

Airline65.7%
Late aircraft24.2%
National airspace7.4%
Weather2.6%
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.