Route
BNA → SDF
Nashville International Airport Louisville Muhammad Ali International Airport
151 miles
Return route SDF → BNA →
How punctual is this route?
- On-time arrivals
- 71.1%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 66 min
- Flights arriving 15+ minutes late
- Flights tracked
- 545
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 71%
- Airline (crew, maintenance, cleaning) 20%
- Air traffic control & airport 7%
- 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 | 92.3% | 26 |
| October 2025 | 70.4% | 27 |
| November 2025 | 85.3% | 34 |
| December 2025 | 63.6% | 33 |
| January 2026 | 93.3% | 32 |
| February 2026 | 71.4% | 28 |
| March 2026 | 72.4% | 58 |
| April 2026 | 81.7% | 60 |
| May 2026 | 65.1% | 63 |
| June 2026 | 61.7% | 60 |
| July 2026 | 50.0% | 62 |
| August 2026 | 72.6% | 62 |
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 | 545 | 71.1% | 0.4% | 66 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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