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2,959 km · Domestic

Los Angeles (LAX) – Louisville Muhammad Ali (SDF)

In May 2026, 9 flights operated between Los Angeles and Louisville Muhammad Ali (both directions), and 33.3% left on time, according to the US BTS.

Official · May 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 periods9 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January–––
February–––
March–––
April17▲ 600.0%
May419▼ 78.0%
June45––
July59––
August40––
September18––
October30–in progress
November–––
December–––

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods9 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January–––
February–––
March–––
April100.0%71.4%▼ 28.6%
May87.8%33.3%▼ 62.1%
June84.4%––
July74.6%––
August87.5%––
September83.3%––
October73.3%–in progress
November–––
December–––

Cancelled flights by month

The most recent periods9 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January–––
February–––
March–––
April00–
May00–
June1––
July0––
August0––
September0––
October4–in progress
November–––
December–––

Airlines on this route

  1. Spirit Airlines 91.5%
  2. American Airlines 3.5%
  3. Delta Air Lines 2.1%
  4. United Airlines 2.1%
  5. Southwest Airlines 0.7%

Oct 1, 2024 – May 31, 2026

By direction

LAX → SDF

Scheduled flights
142
Flights operated
140
Cancelled
2 · 1.4%
On-time departures
90.0%

SDF → LAX

Scheduled flights
141
Flights operated
138
Cancelled
3 · 2.1%
On-time departures
71.7%

LAX → SDF and SDF → LAX counted separately.

Airlines on this route

Oct 1, 2024 – May 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Spirit Airlines NK 259 91.5% 83.1% 5
American Airlines AA 10 3.5% 80.0% 0
Delta Air Lines DL 6 2.1% 33.3% 0
United Airlines UA 6 2.1% 50.0% 0
Southwest Airlines WN 2 0.7% 50.0% 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 → May 3, 2026

Recorded flights283LAX–SDF

Departure hour

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · 10 · 10 recorded · 10 measured · Source: the US BTS 07:00 · 21 · 21 recorded · 21 measured · Source: the US BTS 08:00 · 39 · 39 recorded · 39 measured · Source: the US BTS 09:00 · 5 · 5 recorded · 5 measured · Source: the US BTS 10:00 · 26 · 26 recorded · 26 measured · Source: the US BTS 11:00 · 21 · 21 recorded · 21 measured · Source: the US BTS 12:00 · 17 · 17 recorded · 15 measured · Source: the US BTS 13:00 · 6 · 6 recorded · 6 measured · Source: the US BTS 14:00 · 10 · 10 recorded · 10 measured · Source: the US BTS 15:00 · 21 · 21 recorded · 21 measured · Source: the US BTS 16:00 · 38 · 38 recorded · 37 measured · Source: the US BTS 17:00 · 2 · 2 recorded · 2 measured · Source: the US BTS 18:00 · 20 · 20 recorded · 20 measured · Source: the US BTS 19:00 · 21 · 21 recorded · 21 measured · Source: the US BTS 20:00 · 16 · 16 recorded · 14 measured · Source: the US BTS 21:00 · 9 · 9 recorded · 9 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · 1 · 1 recorded · 1 measured · Source: the US BTS

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———
05:00No observations———
06:00Fewer than 200 measured departures—1010
07:00Fewer than 200 measured departures—2121
08:00Fewer than 200 measured departures—3939
09:00Fewer than 200 measured departures—55
10:00Fewer than 200 measured departures—2626
11:00Fewer than 200 measured departures—2121
12:00Fewer than 200 measured departures—1517
13:00Fewer than 200 measured departures—66
14:00Fewer than 200 measured departures—1010
15:00Fewer than 200 measured departures—2121
16:00Fewer than 200 measured departures—3738
17:00Fewer than 200 measured departures—22
18:00Fewer than 200 measured departures—2020
19:00Fewer than 200 measured departures—2121
20:00Fewer than 200 measured departures—1416
21:00Fewer than 200 measured departures—99
22:00No observations———
23:00Fewer than 200 measured departures—11

Day of week

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 36 · 36 recorded · 36 measured · Source: the US BTS Tuesday · 31 · 31 recorded · 31 measured · Source: the US BTS Wednesday · 24 · 24 recorded · 24 measured · Source: the US BTS Thursday · 57 · 57 recorded · 57 measured · Source: the US BTS Friday · 37 · 37 recorded · 35 measured · Source: the US BTS Saturday · 37 · 37 recorded · 36 measured · Source: the US BTS Sunday · 61 · 61 recorded · 59 measured · Source: the US BTS

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
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
MondayFewer than 200 measured departures—3636
TuesdayFewer than 200 measured departures—3131
WednesdayFewer than 200 measured departures—2424
ThursdayFewer than 200 measured departures—5757
FridayFewer than 200 measured departures—3537
SaturdayFewer than 200 measured departures—3637
SundayFewer than 200 measured departures—5961

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
Jan · No observations · 0 recorded · 0 measured · Source: the US BTS Feb · No observations · 0 recorded · 0 measured · Source: the US BTS Mar · No observations · 0 recorded · 0 measured · Source: the US BTS Apr · 8 · 8 recorded · 8 measured · Source: the US BTS May · 50 · 50 recorded · 50 measured · Source: the US BTS Jun · 46 · 46 recorded · 45 measured · Source: the US BTS Jul · 59 · 59 recorded · 59 measured · Source: the US BTS Aug · 40 · 40 recorded · 40 measured · Source: the US BTS Sep · 18 · 18 recorded · 18 measured · Source: the US BTS Oct · 56 · 56 recorded · 52 measured · Source: the US BTS Nov · 6 · 6 recorded · 6 measured · Source: the US BTS Dec · No observations · 0 recorded · 0 measured · Source: the US BTS

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
JanNo observations———
FebNo observations———
MarNo observations———
AprFewer than 200 measured departures—88
MayFewer than 200 measured departures—5050
JunFewer than 200 measured departures—4546
JulFewer than 200 measured departures—5959
AugFewer than 200 measured departures—4040
SepFewer than 200 measured departures—1818
OctFewer than 200 measured departures—5256
NovFewer than 200 measured departures—66
DecNo observations———

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 79.5% 225
  • Delayed >15 min 18.7% 53
  • Cancelled 1.8% 5
  • 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

2
Flight numbersBy direction DeparturesOn time
NK2072 LAX → SDF 33 93.9%
NK2073 SDF → LAX 33 71.9%

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
May 2026 9 −78.0% 0 33.3%
April 2026 7 +600.0% 0 71.4%
October 2025 30 +36.4% 4 73.3%
September 2025 18 0 83.3%
August 2025 40 0 87.5%
July 2025 59 0 74.6%
June 2025 45 1 84.4%
May 2025 41 0 87.8%
April 2025 1 0 100.0%
November 2024 6 0 100.0%
October 2024 22 0 90.9%

How to read this chart

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