Route Reliability
Louisville → Los Angeles
SDF–LAX · 1,843 miles · Louisville Muhammad Ali International Airport to Los Angeles International Airport
75
Usually Fine
WanderNerd Reliability Score
- 78%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 2.8%
- Cancelled
- 106
- Flights in the data
Data through May 2026.
Airlines on this route
- Spirit Airlines82% on time · 98 flights
- American Airlines33% on time · 3 flights
- Delta Air Lines0% on time · 2 flights
- United Airlines50% on time · 2 flights
- Southwest Airlines0% on time · 1 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
The late departure is the smart one here.
SDF–LAX flights departing between 6–9 PM arrived on time 84% of the time, versus 66% between 3–6 PM.
Sunday scaries are real for this one.
SDF–LAX flights arrived on time 100% of the time on Tuesdays and just 68% on Sundays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon73%(15 flights)
- Tue100%(11 flights)
- Wed—(7 flights)
- Thu78%(23 flights)
- Fri77%(13 flights)
- Sat—(9 flights)
- Sun68%(25 flights)
- 9 AM–12 PM—(2 flights)
- 12–3 PM—(1 flights)
- 3–6 PM66%(41 flights)
- 6–9 PM84%(50 flights)
- 9 PM–12 AM—(9 flights)
67%
Oct
Jun 82% → Oct 67% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 82% | 22 |
| July 2025 | 79% | 29 |
| August 2025 | 95% | 20 |
| October 2025 | 67% | 15 |
Same trip, other airports
Keep nerding
Based on 106 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.