Louisville (SDF) to Houston (HOU): On-Time Performance
Data through July 2026
Louisville (SDF) to Houston (HOU) is a thinner route than most in this dataset — 283 departures over the past year, roughly 5 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 81% arrived on time.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 0.78
- last 12 months
- Duration
- 2h 28m
- scheduled
- Distance
- 803 mi
Monthly on-time trend
Best time to fly from SDF to HOU
Aim for departures around 6 a.m. (94% on-time); avoid 2 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 19 min |
| Tuesdaybest | 94% | 9 min |
| Wednesday | 88% | 6 min |
| Thursday | 83% | 9 min |
| Friday | 79% | 14 min |
| Saturday | 75% | 17 min |
| Sunday | 76% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft63%
- Airline operations16%
- National airspace system21%
- Weather1%
Frequently asked questions
- How often are flights from SDF to HOU delayed?
- 19% of SDF–HOU flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 12 minutes.
- What is the best time of day to fly from SDF to HOU?
- Departures around 6 a.m. have the best record (94% on-time), while departures around 2 p.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SDF to HOU?
- The scheduled SDF–HOU flight time averages 2h 28m over 803 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are SDF to HOU flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SDF to HOU?
- August 2025 was the roughest month in this dataset, with only 55% of arrivals on time. The best was August 2024 at 97%. If your dates are flexible, that 42-point gap is worth planning around.
Explore related pages
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Other ways to fly to Houston (HOU)
Related guides
Based on 625 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.