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

Houston, TX (HOU) to Louisville, KY (SDF) flight delay odds

70.4% of 284 official scheduled HOU-to-SDF flights arrived on time; 16.9% arrived at least 30 minutes late and 0.7% 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
70.4%arrived on time
16.9%30+ min late
0.7%cancelled
284scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.5%all scheduled flights
120+ minutes late2.1%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+10.9 mincompleted flights

Which departure time was most reliable for HOU to SDF?

Among qualifying HOU-to-SDF departure window results, Late morning had the highest on-time rate: 75.9% of 58 flights. Afternoon was lowest at 68.9% across 209 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning5875.9%12.1%1.7%
Afternoon20968.9%19.1%0.5%

Which weekday was most reliable for HOU to SDF?

Among qualifying HOU-to-SDF weekday results, Friday had the highest on-time rate: 80.9% of 47 flights. Sunday was lowest at 56.0% across 50 flights.

DayFlightsOn time30+ minCancelled
Monday4573.3%20.0%0.0%
Tuesday3076.7%10.0%0.0%
Thursday4477.3%18.2%0.0%
Friday4780.9%6.4%0.0%
Saturday4261.9%21.4%0.0%
Sunday5056.0%22.0%4.0%

Which airline was most reliable for HOU to SDF?

Only Southwest Airlines met the HOU-to-SDF airline threshold: 70.4% of 284 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines28470.4%16.9%0.7%

Which month was most reliable for HOU to SDF?

Among qualifying HOU-to-SDF month results, February 2026 had the highest on-time rate: 100.0% of 18 flights. March 2026 was lowest at 44.0% across 25 flights.

MonthFlightsOn time30+ minCancelled
July 20253164.5%29.0%0.0%
August 20252272.7%22.7%0.0%
September 20252190.5%0.0%0.0%
October 20252979.3%10.3%0.0%
November 20252060.0%5.0%5.0%
December 20251764.7%17.6%0.0%
February 202618100.0%0.0%0.0%
March 20262544.0%40.0%0.0%
April 20263063.3%23.3%0.0%
May 20263275.0%12.5%0.0%
June 20263063.3%20.0%0.0%

What drove HOU to SDF delay minutes?

Late aircraft was the largest recorded HOU-to-SDF delay category, accounting for 51.4% of 4,039 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.2%
Late aircraft51.4%
National airspace14.7%
Weather4.5%
Security1.1%
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.