Route
SDF → BNA
Louisville Muhammad Ali International Airport Nashville International Airport
151 miles
Return route BNA → SDF →
How punctual is this route?
- On-time arrivals
- 78.8%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 49 min
- Flights arriving 15+ minutes late
- Flights tracked
- 544
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Air traffic control & airport 30%
- Airline (crew, maintenance, cleaning) 22%
- Extreme weather 3%
- 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 | 92.0% | 26 |
| October 2025 | 77.8% | 27 |
| November 2025 | 78.8% | 33 |
| December 2025 | 69.7% | 33 |
| January 2026 | 96.7% | 32 |
| February 2026 | 88.9% | 28 |
| March 2026 | 77.6% | 58 |
| April 2026 | 80.3% | 61 |
| May 2026 | 79.0% | 62 |
| June 2026 | 71.7% | 60 |
| July 2026 | 68.9% | 62 |
| August 2026 | 82.3% | 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 | 544 | 78.8% | 0.9% | 49 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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