Los Angeles (LAX) to Louisville (SDF): On-Time Performance
Data through May 2026
Los Angeles (LAX) to Louisville (SDF) is a thinner route than most in this dataset — 107 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 86% arrived on time, comfortably above the national average of 78%.
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 8 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 0.29
- last 12 months
- Duration
- 4h 5m
- scheduled
- Distance
- 1,843 mi
Monthly on-time trend
Best time to fly from LAX to SDF
Aim for departures around 7 a.m. (88% on-time); avoid 12 p.m. departures (77%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 12 min |
| Tuesday | 87% | 8 min |
| Wednesdaybest | 100% | 1 min |
| Thursday | 90% | 7 min |
| Friday | 89% | 11 min |
| Saturday | 83% | 10 min |
| Sunday | 79% | 8 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft21%
- Airline operations48%
- National airspace system30%
- Weather1%
Frequently asked questions
- How often are flights from LAX to SDF delayed?
- 15% of LAX–SDF flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 8 minutes.
- What is the best time of day to fly from LAX to SDF?
- Departures around 7 a.m. have the best record (88% on-time), while departures around 12 p.m. have the worst (77%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAX to SDF?
- The scheduled LAX–SDF flight time averages 4h 5m over 1,843 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are LAX to SDF flights cancelled?
- 1.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
Explore related pages
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Other ways to fly to Louisville (SDF)
Related guides
Based on 203 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.