Route · CLT → SDF · 2020–2025 BTS data
Charlotte to Louisville
The CLT–SDF corridor (Charlotte, NC → Louisville, KY) runs ahead of the national average, served by 17 carriers across roughly 335 miles.
Data updated 2026-06-13
- 80.2%
- On-time
- +1.2 pts
- vs US avg
- 78 min
- Delay when late
- 11,247
- Flights
Cancelled
1.7%
Best Month
Oct 2025 88%
Worst Month
Jul 2024 53%
Distance
335 mi
Carriers
17
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 145 | 37 | 2 | 0 | OH,AA |
| Nov 2025 | 140 | 28 | 3 | 0 | OH,AA |
| Oct 2025 | 142 | 17 | 0 | 0 | AA,OH |
| Sep 2025 | 159 | 30 | 1 | 0 | OH,AA |
| Aug 2025 | 156 | 41 | 1 | 1 | AA,OH |
| Jul 2025 | 142 | 54 | 2 | 0 | AA,OH |
| Jun 2025 | 142 | 58 | 6 | 0 | AA,OH |
| May 2025 | 150 | 50 | 2 | 0 | AA,OH |
| Apr 2025 | 138 | 39 | 1 | 0 | OH,AA |
| Mar 2025 | 152 | 33 | 6 | 1 | AA,OH |
| Feb 2025 | 137 | 32 | 5 | 0 | AA,OH |
| Jan 2025 | 154 | 23 | 12 | 1 | AA,OH |
| Dec 2024 | 163 | 49 | 1 | 0 | AA,OH |
| Nov 2024 | 156 | 22 | 0 | 0 | OH,AA |
| Oct 2024 | 174 | 31 | 0 | 0 | AA,OH |
| Sep 2024 | 180 | 44 | 4 | 0 | OH,AA,MQ |
| Aug 2024 | 180 | 64 | 6 | 1 | AA,MQ,OH |
| Jul 2024 | 182 | 85 | 9 | 0 | AA,MQ,OH |
| Jun 2024 | 180 | 50 | 1 | 0 | AA,OH |
| May 2024 | 186 | 84 | 2 | 1 | AA,OH |
| Apr 2024 | 176 | 57 | 0 | 1 | AA,OH |
| Mar 2024 | 182 | 47 | 0 | 0 | AA,OH |
| Feb 2024 | 143 | 30 | 0 | 0 | AA,MQ,OH |
| Jan 2024 | 148 | 43 | 1 | 0 | AA,MQ,OH |
Cancellation Rate
1.7%
65 of 3,807 flights
Diversion Rate
0.2%
6 of 3,807 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CLT - Charlotte
Full on-time, delay-cause, and seasonal performance for Charlotte, NC.
Origin airport →SDF - Louisville
Full on-time, delay-cause, and seasonal performance for Louisville, KY.
Destination airport →Compare the two airports
See CLT and SDF side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to CLT–SDF.
Routes with a similar on-time rate
What the Data Says About CLT to SDF
11,247 tracked flights put the CLT to SDF pairing (Charlotte to Louisville) at a 80.2% on-time rate, squarely in line with the wider network. Delays that do occur run 77.6 minutes on average. Across the 335-mile route and its 17 carriers, the trailing 24 months show 1.7% cancelled and 0.2% diverted (3,807 flights sampled).
The monthly split is wide on this route: Oct 2025 posted the strongest performance at 88% on-time, while Jul 2024 came in at just 53% - a 35-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.