CLT to SDF flight delays & on-time performance
Nonstop flights from Charlotte Douglas International Airport to Louisville Muhammad Ali International Airport · 335 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CLT or SDF right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Charlotte (CLT) to Louisville (SDF) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.2% were cancelled, and 9% arrived an hour or more late.
- American Airlines was the most punctual airline here (76% on time); PSA Airlines was the least (76%).
- Departures scheduled around 2pm did best (89% on time); around 5pm did worst (70%).
- Wednesday was the most reliable day to fly (84% on time) and Sunday the least (69%).
- The largest source of delay minutes was late-arriving aircraft (45%).
Which airline is most on time from CLT to SDF?
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 |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 86% | 2.0% | 8 min | 2.0% | 50 |
| American Airlines | 76% | 2.7% | 22 min | 10.0% | 966 |
| PSA AirlinesRegional airline operating American Eagle flights. | 76% | 1.5% | 17 min | 8.7% | 741 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am84%94 flights
- 8am98%42 flights
- 9am74%114 flights
- 10am87%97 flights
- 1pm75%244 flights
- 2pm89%99 flights
- 3pm80%55 flights
- 4pm81%100 flights
- 5pm70%231 flights
- 6pm75%24 flights
- 7pm83%25 flights
- 8pm72%215 flights
- 9pm73%179 flights
- 10pm76%160 flights
- 11pm71%70 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday74%3.1% cancelled
- Tuesday84%2.3% cancelled
- Wednesday84%0.8% cancelled
- Thursday74%0.4% cancelled
- Friday76%1.5% cancelled
- Saturday76%3.7% cancelled
- Sunday69%3.4% 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 aircraft45%
- Airline (crew, maintenance, cleaning, fueling)41%
- Air traffic control & airport congestion7%
- Extreme weather6%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather79%
- Airline (crew, maintenance, cleaning, fueling)18%
- Air traffic control & airport congestion3%
- Security0%
CLT to SDF: common questions
- How often are CLT to SDF flights on time?
- 77% 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 Charlotte to Louisville cancelled?
- 2.2% of scheduled flights were cancelled (38 of 1,757).
- How long are typical delays?
- Across all flights the average arrival delay was 20 min (early arrivals count as zero). Flights that were late arrived 80 min behind schedule on average, and 9.2% of flights were an hour or more late.
- How long is taxi time at CLT?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SDF to CLT — 82% on time
More flights from Charlotte
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CLT → SDF, nonstop flights by US airlines that report to the DOT. How we calculate this.