Route Reliability
Houston → Louisville
HOU–SDF · 803 miles · William P. Hobby Airport to Louisville Muhammad Ali International Airport
- 72%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 0.7%
- Cancelled
- 284
- Flights in the data
Data through May 2026.
Southwest Airlines is the only airline in this data on this route, arriving on time 72% of the time across 284 flights. No comparison to make.
What the data says
Morning flights do better here.
HOU–SDF flights departing between 9 AM–12 PM arrived on time 81% of the time, versus 67% between 12–3 PM.
Saturdays have been rough.
HOU–SDF flights arrived on time 85% of the time on Fridays and just 60% on Saturdays. That gap is worth planning around.
Recent months have been rougher.
HOU–SDF flights arrived on time 62% of the time over the last three months in the data, compared with 78% in the three months before that.
Flights on this route
The breakdown
- Mon76%(45 flights)
- Tue76%(29 flights)
- Wed69%(26 flights)
- Thu77%(44 flights)
- Fri85%(47 flights)
- Sat60%(42 flights)
- Sun61%(49 flights)
- 9 AM–12 PM81%(58 flights)
- 12–3 PM67%(145 flights)
- 3–6 PM76%(75 flights)
- 6–9 PM—(4 flights)
Jun 63% → May 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 63% | 30 |
| July 2025 | 65% | 31 |
| August 2025 | 73% | 22 |
| September 2025 | 91% | 21 |
| October 2025 | 83% | 29 |
| November 2025 | 68% | 19 |
| December 2025 | 65% | 17 |
| February 2026 | 100% | 18 |
| March 2026 | 44% | 25 |
| April 2026 | 67% | 30 |
| May 2026 | 75% | 32 |
Same trip, other airports
Keep nerding
Based on 284 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.