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Route Reliability

Louisville → Houston

SDF–HOU · 803 miles · Louisville Muhammad Ali International Airport to William P. Hobby Airport

85
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
1 min
Average arrival delay
0.7%
Cancelled
283
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 81% of the time across 283 flights. No comparison to make.

What the data says

Morning flights do better here.

SDF–HOU flights departing between 9 AM–12 PM arrived on time 90% of the time, versus 71% between 3–6 PM.

Mondays have been rough.

SDF–HOU flights arrived on time 93% of the time on Tuesdays and just 76% on Mondays. That gap is worth planning around.

Trending in the right direction.

SDF–HOU flights arrived on time 91% of the time over the last three months in the data, compared with 76% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon76%(45 flights)
  • Tue93%(29 flights)
  • Wed85%(26 flights)
  • Thu86%(43 flights)
  • Fri78%(46 flights)
  • Sat78%(41 flights)
  • Sun78%(50 flights)
On-time by departure window
  • 6–9 AM—(5 flights)
  • 9 AM–12 PM90%(62 flights)
  • 12–3 PM78%(71 flights)
  • 3–6 PM71%(34 flights)
  • 6–9 PM81%(108 flights)
On-time trend by month
88%
May

Jun 69% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%29
July 202577%31
August 202555%22
September 202591%21
October 202586%29
November 202574%19
December 202565%17
February 202689%18
March 202692%25
April 202693%29
May 202688%32

Same trip, other airports

Keep nerding

Based on 283 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.