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

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

80.2% of 283 official scheduled SDF-to-HOU flights arrived on time; 13.4% 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 SIGNALLower disruption
80.2%arrived on time
13.4%30+ min late
0.7%cancelled
283scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.9%all scheduled flights
120+ minutes late2.1%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+0.2 mincompleted flights

Which departure time was most reliable for SDF to HOU?

Among qualifying SDF-to-HOU departure window results, Late morning had the highest on-time rate: 90.0% of 60 flights. Afternoon was lowest at 73.5% across 102 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning6090.0%3.3%0.0%
Afternoon10273.5%19.6%0.0%
Evening10978.9%14.7%1.8%

Which weekday was most reliable for SDF to HOU?

Among qualifying SDF-to-HOU weekday results, Tuesday had the highest on-time rate: 93.3% of 30 flights. Sunday was lowest at 74.0% across 50 flights.

DayFlightsOn time30+ minCancelled
Monday4575.6%22.2%0.0%
Tuesday3093.3%6.7%0.0%
Thursday4388.4%9.3%0.0%
Friday4774.5%14.9%2.1%
Saturday4276.2%14.3%0.0%
Sunday5074.0%14.0%2.0%

Which airline was most reliable for SDF to HOU?

Only Southwest Airlines met the SDF-to-HOU airline threshold: 80.2% of 283 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines28380.2%13.4%0.7%

Which month was most reliable for SDF to HOU?

Among qualifying SDF-to-HOU month results, April 2026 had the highest on-time rate: 93.1% of 29 flights. August 2025 was lowest at 54.5% across 22 flights.

MonthFlightsOn time30+ minCancelled
July 20253177.4%19.4%0.0%
August 20252254.5%22.7%0.0%
September 20252190.5%9.5%0.0%
October 20252986.2%13.8%0.0%
November 20252070.0%20.0%5.0%
December 20251764.7%29.4%0.0%
February 20261888.9%11.1%0.0%
March 20262592.0%8.0%0.0%
April 20262993.1%3.4%0.0%
May 20263287.5%3.1%0.0%
June 20263066.7%20.0%0.0%

What drove SDF to HOU delay minutes?

Late aircraft was the largest recorded SDF-to-HOU delay category, accounting for 66.3% of 3,248 BTS-attributed delay minutes during July 2025–June 2026.

Airline18.7%
Late aircraft66.3%
National airspace15.0%
Weather0.0%
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.