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1,444 km · Domestic

Fort Lauderdale Hollywood (FLL) – Louisville Muhammad Ali (SDF)

In July 2026, 28 flights operated between Fort Lauderdale Hollywood and Louisville Muhammad Ali (both directions), and 46.4% left on time, according to the US BTS.

Official · July 2026 according to the US BTS only airlines required to report on-time data to the US DOT

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January6848▼ 29.4%
February5142▼ 17.6%
March9150▼ 45.1%
April7443▼ 41.9%
May4924▼ 51.0%
June6826▼ 61.8%
July8328▼ 66.3%
August70––
September60––
October66–in progress
November52––
December57––
Year to date (Jan–Jul)484261▼ 46.1%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January66.2%68.8%▲ 3.9%
February80.4%78.6%▼ 2.2%
March73.6%40.0%▼ 45.7%
April83.8%48.8%▼ 41.8%
May79.6%29.2%▼ 63.3%
June82.4%46.2%▼ 43.9%
July91.6%46.4%▼ 49.3%
August75.7%––
September90.0%––
October83.3%–in progress
November65.4%––
December42.1%––
Year-to-date average (Jan–Jul)79.7%51.1%▼ 35.8%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January47▲ 75.0%
February14▲ 300.0%
March06–
April02–
May00–
June20▼ 100.0%
July20▼ 100.0%
August0––
September0––
October0–in progress
November0––
December8––
Year to date (Jan–Jul)919▲ 111.1%

Airlines on this route

  1. Spirit Airlines 62.9%
  2. Allegiant Air 33.0%
  3. Southwest Airlines 4.1%

Oct 1, 2024 – Jul 31, 2026

By direction

FLL → SDF

Scheduled flights
649
Flights operated
632
Cancelled
17 · 2.6%
On-time departures
71.8%

SDF → FLL

Scheduled flights
649
Flights operated
630
Cancelled
19 · 2.9%
On-time departures
72.4%

FLL → SDF and SDF → FLL counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Spirit Airlines NK 817 62.9% 75.2% 34
Allegiant Air G4 428 33.0% 68.1% 2
Southwest Airlines WN 53 4.1% 58.5% 0

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · Oct 12, 2024 → Jul 31, 2026

Recorded flights1,298FLL–SDF

Departure hour

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00Fewer than 200 measured departures—6472
06:00Fewer than 200 measured departures—5656
07:00Fewer than 200 measured departures—1212
08:00Fewer than 200 measured departures—6263
09:00Fewer than 200 measured departures—7475
10:00Fewer than 200 measured departures—1616
11:00Fewer than 200 measured departures—6466
12:00Fewer than 200 measured departures—6670
13:00Fewer than 200 measured departures—99
14:00Fewer than 200 measured departures—8686
15:00Fewer than 200 measured departures—129133
16:00Fewer than 200 measured departures—115118
17:00Fewer than 200 measured departures—107108
18:00Fewer than 200 measured departures—9191
19:00Fewer than 200 measured departures—159162
20:00Fewer than 200 measured departures—7678
21:00Fewer than 200 measured departures—7481
22:00Fewer than 200 measured departures—22
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday70.2%22.9 min309314
TuesdayFewer than 200 measured departures—9699
WednesdayFewer than 200 measured departures—112114
ThursdayFewer than 200 measured departures—142148
Friday69.3%29.9 min303309
SaturdayFewer than 200 measured departures—137141
SundayFewer than 200 measured departures—163173

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—116127
FebFewer than 200 measured departures—9398
MarFewer than 200 measured departures—141147
AprFewer than 200 measured departures—117119
MayFewer than 200 measured departures—7373
JunFewer than 200 measured departures—9496
JulFewer than 200 measured departures—111113
AugFewer than 200 measured departures—7070
SepFewer than 200 measured departures—6060
OctFewer than 200 measured departures—132132
NovFewer than 200 measured departures—126126
DecFewer than 200 measured departures—129137

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 70.1% 910
  • Delayed >15 min 27.1% 352
  • Cancelled 2.8% 36
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

14
14 of 14
Flight numbersBy direction DeparturesOn time
NK1042 FLL → SDF 74 75.3%
NK1043 SDF → FLL 74 74.0%
NK619 FLL → SDF 60 78.3%
NK620 SDF → FLL 60 88.3%
NK2381 FLL → SDF 59 79.7%
NK2382 SDF → FLL 59 86.4%
NK1283 FLL → SDF 46 60.0%
NK1284 SDF → FLL 46 62.5%
NK2960 FLL → SDF 37 66.7%
NK2971 SDF → FLL 37 68.6%
NK2716 SDF → FLL 36 88.6%
NK1043 FLL → SDF 35 91.2%
NK1044 SDF → FLL 35 79.4%
NK2715 FLL → SDF 35 76.5%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 28 −66.3% 0 46.4%
June 2026 26 −61.8% 0 46.2%
May 2026 24 −51.0% 0 29.2%
April 2026 43 −41.9% 2 48.8%
March 2026 50 −45.1% 6 40.0%
February 2026 42 −17.6% 4 78.6%
January 2026 48 −29.4% 7 68.8%
December 2025 57 −20.8% 8 42.1%
November 2025 52 −29.7% 0 65.4%
October 2025 66 +0.0% 0 83.3%
September 2025 60 0 90.0%
August 2025 70 0 75.7%
July 2025 83 2 91.6%
June 2025 68 2 82.4%
May 2025 49 0 79.6%
April 2025 74 0 83.8%
March 2025 91 0 73.6%
February 2025 51 1 80.4%
January 2025 68 4 66.2%
December 2024 72 0 61.1%
November 2024 74 0 85.1%
October 2024 66 0 87.9%

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