Route
SDF → LAS
Louisville Muhammad Ali International Airport Harry Reid International Airport
1,624 miles
Return route LAS → SDF →
How punctual is this route?
- On-time arrivals
- 83.8%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 86 min
- Flights arriving 15+ minutes late
- Flights tracked
- 399
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 44%
- Late-arriving aircraft 34%
- Air traffic control & airport 19%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.2% | 46 |
| October 2025 | 79.2% | 48 |
| November 2025 | 96.6% | 29 |
| December 2025 | 96.8% | 31 |
| January 2026 | 85.7% | 31 |
| February 2026 | 96.4% | 28 |
| March 2026 | 74.2% | 31 |
| April 2026 | 80.0% | 30 |
| May 2026 | 75.0% | 33 |
| June 2026 | 73.3% | 30 |
| July 2026 | 93.5% | 31 |
| August 2026 | 77.4% | 31 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 365 | 85.0% | 0.8% | 74 min |
| NK | 33 | 72.7% | 0.0% | 150 min |
| American Airlines | 1 | 0.0% | 0.0% | 187 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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