Route · SDF → FLL · 2020–2025 BTS data
Louisville to Fort Lauderdale
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SDF to FLL (Louisville to Fort Lauderdale) ranks #4114 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 71.9%
- On-time
- -7.1 pts
- vs US avg
- 79 min
- Delay when late
- 1,559
- Flights
- #4114 of 4927
- Corpus placement
Cancelled
1.6%
Best Month
N/A
Worst Month
N/A
Distance
895 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 32 | 13 | 4 | 0 | WN,NK,G4 |
| Oct 2025 | 33 | 7 | 0 | 0 | G4,NK |
| Sep 2025 | 30 | 1 | 0 | 0 | NK,G4 |
| Aug 2025 | 35 | 11 | 0 | 0 | G4,NK |
| Jul 2025 | 43 | 2 | 1 | 0 | G4,NK |
| Jun 2025 | 35 | 5 | 1 | 0 | NK,G4 |
| Apr 2025 | 37 | 4 | 0 | 0 | G4,NK,WN |
| Mar 2025 | 45 | 7 | 0 | 0 | NK,WN,G4 |
| Jan 2025 | 36 | 11 | 2 | 0 | WN,G4,NK |
| Dec 2024 | 36 | 13 | 0 | 0 | G4,NK,WN |
| Nov 2024 | 37 | 5 | 0 | 0 | NK,WN,G4 |
| Oct 2024 | 45 | 6 | 0 | 0 | G4,NK |
| Sep 2024 | 30 | 4 | 0 | 0 | G4,NK |
| Aug 2024 | 32 | 14 | 2 | 0 | G4,NK |
| Jul 2024 | 40 | 22 | 2 | 0 | G4,NK |
| Jun 2024 | 37 | 18 | 2 | 1 | G4,NK |
| May 2024 | 35 | 9 | 0 | 0 | G4,NK |
| Apr 2024 | 35 | 7 | 0 | 0 | G4,NK,WN |
| Mar 2024 | 49 | 19 | 0 | 0 | G4,NK,WN |
| Feb 2024 | 38 | 9 | 0 | 0 | G4,NK,WN |
| Jan 2024 | 36 | 14 | 0 | 0 | G4,NK,WN |
| Dec 2023 | 43 | 17 | 0 | 0 | G4,NK,WN |
| Nov 2023 | 40 | 11 | 0 | 0 | G4,NK,WN |
| Oct 2023 | 44 | 10 | 0 | 0 | G4,NK,WN |
SDF–FLL seasonal on-time pattern
Best: September (86.9%) · weakest: January (63.8%)
Strongest calendar month
September
86.9% on-time · ~34 flights/mo
Busiest calendar month
July
~45 flights/mo avg
Weakest calendar month
January
63.8% on-time · ~35 flights/mo
Cancellation Rate
1.6%
14 of 903 flights
Diversion Rate
0.1%
1 of 903 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.
SDF on-time profileFLL - Fort Lauderdale
Full on-time, delay-cause, and seasonal performance for Fort Lauderdale, FL.
FLL on-time profileCompare the two airports
See SDF and FLL side by side on delays, cancellations, and reliability.
Compare SDF vs FLLOrigin-hub reliability standing
Softer reliability from SDF
Among 23 routes leaving SDF, only 1 (including this one) clear below 75% on-time, while 9 stay ≥85% and 13 sit mid-band. Travelers comparing SDF options should weigh this 71.9% print against those peers · fleet on-time rank #4765 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SDF–FLL.
Routes with a similar on-time rate
What the Data Says About SDF to FLL
On-time performance on the SDF to FLL pairing (Louisville to Fort Lauderdale) trails a chunk of the network: 71.9% of 1,559 tracked flights arrived on schedule, with a 78.5-minute average delay on the ones that ran late. The route spans about 895 miles across 6 carriers. Cancellations over the trailing 24 months hit 1.6% (14 of 903 flights), with 0.1% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
On the multi-year calendar, SDF–FLL peaks in September at 86.9% on-time while July carries the heaviest traffic (~45 flights per month) ; the softest month is January at 63.8%, a 23.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SDF to FLL rank among US routes by traffic? ▼
How often are flights delayed from SDF to FLL? ▼
What is the cancellation rate for SDF to FLL? ▼
How far is the flight from SDF to FLL? ▼
Airports on this route
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.
Using SDF–FLL data
SDF–FLL sits 7.1 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.
- Compare SDF and FLL airport profiles: delay causes and top routes differ even on the same corridor. SDF airport
- If your dates flex, September (86.9% on-time) beats January (63.8%) on this corridor. Seasonal chart
- 4 other routes post a similar 71.9% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.