SDF to BNA flight delays & on-time performance
Nonstop flights from Louisville Muhammad Ali International Airport to Nashville International Airport · 151 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SDF or BNA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Louisville (SDF) to Nashville (BNA) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1% were cancelled, and 3% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6am did best (95% on time); around 5pm did worst (50%).
- Saturday was the most reliable day to fly (86% on time) and Sunday the least (71%).
- The largest source of delay minutes was late-arriving aircraft (44%).
Which airline is most on time from SDF to BNA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 79% | 1.0% | 10 min | 2.8% | 505 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am95%66 flights
- 7am95%92 flights
- 11am86%113 flights
- 12pm76%21 flights
- 1pm82%44 flights
- 4pm74%19 flights
- 5pm50%60 flights
- 6pm54%61 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%0.0% cancelled
- Tuesday84%0.0% cancelled
- Wednesday82%2.7% cancelled
- Thursday76%1.3% cancelled
- Friday80%0.0% cancelled
- Saturday86%1.6% cancelled
- Sunday71%1.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft44%
- Air traffic control & airport congestion30%
- Airline (crew, maintenance, cleaning, fueling)23%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather60%
- Airline (crew, maintenance, cleaning, fueling)40%
- Air traffic control & airport congestion0%
- Security0%
SDF to BNA: common questions
- How often are SDF to BNA flights on time?
- 79% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Louisville to Nashville cancelled?
- 1.0% of scheduled flights were cancelled (5 of 505).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 43 min behind schedule on average, and 2.8% of flights were an hour or more late.
- How long is taxi time at SDF?
- Flights on this route spent 11 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BNA to SDF — 71% on time
More flights from Louisville
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SDF → BNA, nonstop flights by US airlines that report to the DOT. How we calculate this.