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

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

66.4% of 429 official scheduled MIA-to-SDF flights arrived on time; 24.0% arrived at least 30 minutes late and 1.2% 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 SIGNALVariable
66.4%arrived on time
24.0%30+ min late
1.2%cancelled
429scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.4%all scheduled flights
120+ minutes late3.7%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+18.2 mincompleted flights

Which departure time was most reliable for MIA to SDF?

Only Night met the MIA-to-SDF departure window threshold: 64.1% of 365 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Night36564.1%25.2%1.1%

Which weekday was most reliable for MIA to SDF?

Among qualifying MIA-to-SDF weekday results, Tuesday had the highest on-time rate: 71.9% of 57 flights. Monday was lowest at 60.7% across 61 flights.

DayFlightsOn time30+ minCancelled
Monday6160.7%29.5%1.6%
Tuesday5771.9%14.0%1.8%
Wednesday5671.4%19.6%0.0%
Thursday5768.4%28.1%0.0%
Friday6165.6%31.1%0.0%
Saturday7364.4%21.9%1.4%
Sunday6464.1%23.4%3.1%

Which airline was most reliable for MIA to SDF?

Among qualifying MIA-to-SDF airline results, Envoy Air had the highest on-time rate: 84.8% of 46 flights. American Airlines was lowest at 63.6% across 368 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines36863.6%25.8%1.1%
Envoy Air4684.8%10.9%2.2%
Republic Airways1580.0%20.0%0.0%

Which month was most reliable for MIA to SDF?

Among qualifying MIA-to-SDF month results, February 2026 had the highest on-time rate: 81.8% of 33 flights. October 2025 was lowest at 51.6% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253557.1%28.6%0.0%
August 20255863.8%29.3%0.0%
September 20253275.0%15.6%0.0%
October 20253151.6%38.7%0.0%
November 20253066.7%30.0%0.0%
December 20253167.7%16.1%0.0%
January 20264175.6%7.3%9.8%
February 20263381.8%18.2%0.0%
March 20263158.1%29.0%3.2%
April 20263473.5%17.6%0.0%
May 20263966.7%28.2%0.0%
June 20263458.8%29.4%0.0%

What drove MIA to SDF delay minutes?

Late aircraft was the largest recorded MIA-to-SDF delay category, accounting for 39.7% of 10,530 BTS-attributed delay minutes during July 2025–June 2026.

Airline30.5%
Late aircraft39.7%
National airspace14.4%
Weather15.5%
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.