Route · SDF → MIA · 2020–2025 BTS data
Louisville to Miami
The SDF–MIA corridor (Louisville, KY → Miami, FL) runs ahead of the national average, served by 14 carriers across roughly 910 miles.
Data updated 2026-06-13
- 81.1%
- On-time
- +2.1 pts
- vs US avg
- 92 min
- Delay when late
- 2,641
- Flights
Cancelled
1.2%
Best Month
Apr 2024 81%
Worst Month
May 2024 58%
Distance
910 mi
Carriers
14
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 5 | 0 | 0 | AA |
| Nov 2025 | 30 | 8 | 0 | 0 | AA |
| Oct 2025 | 31 | 2 | 0 | 0 | AA |
| Sep 2025 | 32 | 6 | 0 | 0 | MQ,AA |
| Aug 2025 | 58 | 22 | 1 | 0 | AA,YX,MQ |
| Jul 2025 | 35 | 7 | 0 | 0 | AA,YX |
| Jun 2025 | 35 | 3 | 2 | 0 | AA,YX |
| May 2025 | 33 | 6 | 0 | 0 | AA,YX |
| Apr 2025 | 34 | 3 | 1 | 0 | YX,AA |
| Mar 2025 | 31 | 3 | 0 | 0 | AA |
| Jan 2025 | 31 | 10 | 1 | 0 | AA |
| Dec 2024 | 31 | 7 | 1 | 0 | AA |
| Nov 2024 | 31 | 5 | 0 | 0 | MQ,AA |
| Oct 2024 | 35 | 9 | 1 | 0 | MQ,AA |
| Sep 2024 | 50 | 6 | 0 | 0 | MQ |
| Aug 2024 | 31 | 5 | 1 | 0 | AA,MQ |
| Jul 2024 | 31 | 7 | 0 | 0 | AA |
| Jun 2024 | 34 | 10 | 1 | 0 | AA,MQ |
| May 2024 | 64 | 27 | 0 | 0 | AA,MQ,NK |
| Apr 2024 | 57 | 11 | 0 | 0 | AA,MQ |
| Mar 2024 | 62 | 17 | 2 | 0 | AA,MQ |
| Feb 2024 | 44 | 17 | 0 | 0 | AA,MQ |
| Jan 2024 | 38 | 15 | 0 | 0 | AA,MQ,YX |
| Dec 2023 | 57 | 11 | 0 | 0 | MQ,YX,AA |
Cancellation Rate
1.2%
11 of 946 flights
Diversion Rate
0.0%
0 of 946 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SDF - Louisville
Full on-time, delay-cause, and seasonal performance for Louisville, KY.
Origin airport →MIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
Destination airport →Compare the two airports
See SDF and MIA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SDF–MIA.
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What the Data Says About SDF to MIA
2,641 tracked flights put the SDF to MIA pairing (Louisville to Miami) at a 81.1% on-time rate, squarely in line with the wider network. Delays that do occur run 92.0 minutes on average. Across the 910-mile route and its 14 carriers, the trailing 24 months show 1.2% cancelled and 0.0% diverted (946 flights sampled).
The monthly split is wide on this route: Apr 2024 posted the strongest performance at 81% on-time, while May 2024 came in at just 58% - a 23-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.