Countries › United States › Louisville › SDF Louisville Muhammad Ali (SDF) SDF / KSDF
408,015
Louisville Muhammad Ali International Airport handled 408,015 passengers in May 2026, down 6.1% on a year earlier, according to US Bureau of Transportation Statistics — T-100 Air Carrier Statistics .
Full count · domestic + international Flight timing & delays ↓
Passengers over time Showing 53 months. Full series runs 1990–2026 (437 periods).
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Domestic / International May 2026 Domestic 100.0% 407,997 International 0.0% 18 Against 2019 +5.8% same month, before the pandemic
International share 0% of passengers in May 2026
Series depth 36 years from 1990
The most recent periods Open any period for the full breakdown. As published Newest first Oldest first Highest first Lowest first 24 of 24
Period Passengers Year on year Source May 2026 408,015 −6.1% US Bureau of Transportation Statistics Open this month → April 2026 383,141 +4.4% US Bureau of Transportation Statistics Open this month → March 2026 368,633 −1.2% US Bureau of Transportation Statistics Open this month → February 2026 298,646 +1.2% US Bureau of Transportation Statistics Open this month → January 2026 269,446 −5.0% US Bureau of Transportation Statistics Open this month → December 2025 330,215 −5.1% US Bureau of Transportation Statistics Open this month → November 2025 324,816 −9.2% US Bureau of Transportation Statistics Open this month → October 2025 456,722 +2.4% US Bureau of Transportation Statistics Open this month → September 2025 405,257 +2.0% US Bureau of Transportation Statistics Open this month → August 2025 365,086 −4.1% US Bureau of Transportation Statistics Open this month → July 2025 442,705 −3.3% US Bureau of Transportation Statistics Open this month → June 2025 447,576 −2.4% US Bureau of Transportation Statistics Open this month → May 2025 434,296 −7.5% US Bureau of Transportation Statistics Open this month → April 2025 366,848 −10.0% US Bureau of Transportation Statistics Open this month → March 2025 373,067 −7.8% US Bureau of Transportation Statistics Open this month → February 2025 295,135 −11.7% US Bureau of Transportation Statistics Open this month → January 2025 283,606 −10.0% US Bureau of Transportation Statistics Open this month → December 2024 347,847 −5.9% US Bureau of Transportation Statistics Open this month → November 2024 357,825 −7.4% US Bureau of Transportation Statistics Open this month → October 2024 445,917 −3.4% US Bureau of Transportation Statistics Open this month → September 2024 397,312 −3.0% US Bureau of Transportation Statistics Open this month → August 2024 380,828 +4.8% US Bureau of Transportation Statistics July 2024 457,700 +1.3% US Bureau of Transportation Statistics June 2024 458,758 +6.6% US Bureau of Transportation Statistics
Also tracked here: aircraft movements (through May 2026), tonnes of cargo (through May 2026).
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.
US domestic sectors recorded by BTS Source: BTS · US Department of Transportation · 2024-09-01 → 2026-06-30
Lowest average delay 09:00–10:00 3.6min · 1,302 recorded · 1,283 measured
Gap to highest-delay hour 39.6min 09:00 ↔ 21:00
Recorded flights 42,591 Louisville Muhammad Ali International Airport
Departure hour Day of week Month of year
Departure hour On-time departures 100.0 50.0 0.0
00:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · 92.8% · 1,435 recorded · 1,406 measured · Source: BTS · US Department of Transportation 06:00 · 92.6% · 5,789 recorded · 5,686 measured · Source: BTS · US Department of Transportation 07:00 · 91.7% · 4,359 recorded · 4,304 measured · Source: BTS · US Department of Transportation 08:00 · 91.2% · 2,720 recorded · 2,687 measured · Source: BTS · US Department of Transportation 09:00 · 91.0% · 1,302 recorded · 1,283 measured · Source: BTS · US Department of Transportation 10:00 · 86.6% · 2,918 recorded · 2,871 measured · Source: BTS · US Department of Transportation 11:00 · 85.7% · 2,392 recorded · 2,343 measured · Source: BTS · US Department of Transportation 12:00 · 83.3% · 2,963 recorded · 2,913 measured · Source: BTS · US Department of Transportation 13:00 · 81.7% · 2,635 recorded · 2,595 measured · Source: BTS · US Department of Transportation 14:00 · 80.1% · 2,305 recorded · 2,261 measured · Source: BTS · US Department of Transportation 15:00 · 78.1% · 2,738 recorded · 2,693 measured · Source: BTS · US Department of Transportation 16:00 · 74.6% · 2,516 recorded · 2,452 measured · Source: BTS · US Department of Transportation 17:00 · 74.1% · 2,651 recorded · 2,597 measured · Source: BTS · US Department of Transportation 18:00 · 71.7% · 2,528 recorded · 2,475 measured · Source: BTS · US Department of Transportation 19:00 · 72.3% · 1,786 recorded · 1,714 measured · Source: BTS · US Department of Transportation 20:00 · 66.6% · 1,258 recorded · 1,208 measured · Source: BTS · US Department of Transportation 21:00 · 53.0% · 293 recorded · 287 measured · Source: BTS · US Department of Transportation 22:00 · Fewer than 200 measured departures · 3 recorded · 2 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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Average departure delay 43.2 21.6 0.0
00:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · 8.4 min · 1,435 recorded · 1,406 measured · Source: BTS · US Department of Transportation 06:00 · 3.8 min · 5,789 recorded · 5,686 measured · Source: BTS · US Department of Transportation 07:00 · 4.2 min · 4,359 recorded · 4,304 measured · Source: BTS · US Department of Transportation 08:00 · 5.7 min · 2,720 recorded · 2,687 measured · Source: BTS · US Department of Transportation 09:00 · 3.6 min · 1,302 recorded · 1,283 measured · Source: BTS · US Department of Transportation 10:00 · 6.2 min · 2,918 recorded · 2,871 measured · Source: BTS · US Department of Transportation 11:00 · 7.3 min · 2,392 recorded · 2,343 measured · Source: BTS · US Department of Transportation 12:00 · 9.4 min · 2,963 recorded · 2,913 measured · Source: BTS · US Department of Transportation 13:00 · 11.7 min · 2,635 recorded · 2,595 measured · Source: BTS · US Department of Transportation 14:00 · 13.0 min · 2,305 recorded · 2,261 measured · Source: BTS · US Department of Transportation 15:00 · 13.7 min · 2,738 recorded · 2,693 measured · Source: BTS · US Department of Transportation 16:00 · 17.6 min · 2,516 recorded · 2,452 measured · Source: BTS · US Department of Transportation 17:00 · 16.5 min · 2,651 recorded · 2,597 measured · Source: BTS · US Department of Transportation 18:00 · 21.8 min · 2,528 recorded · 2,475 measured · Source: BTS · US Department of Transportation 19:00 · 17.6 min · 1,786 recorded · 1,714 measured · Source: BTS · US Department of Transportation 20:00 · 27.5 min · 1,258 recorded · 1,208 measured · Source: BTS · US Department of Transportation 21:00 · 43.2 min · 293 recorded · 287 measured · Source: BTS · US Department of Transportation 22:00 · Fewer than 200 measured departures · 3 recorded · 2 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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Recorded flights 5,789 2,895 0
00:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · 1,435 · 1,435 recorded · 1,406 measured · Source: BTS · US Department of Transportation 06:00 · 5,789 · 5,789 recorded · 5,686 measured · Source: BTS · US Department of Transportation 07:00 · 4,359 · 4,359 recorded · 4,304 measured · Source: BTS · US Department of Transportation 08:00 · 2,720 · 2,720 recorded · 2,687 measured · Source: BTS · US Department of Transportation 09:00 · 1,302 · 1,302 recorded · 1,283 measured · Source: BTS · US Department of Transportation 10:00 · 2,918 · 2,918 recorded · 2,871 measured · Source: BTS · US Department of Transportation 11:00 · 2,392 · 2,392 recorded · 2,343 measured · Source: BTS · US Department of Transportation 12:00 · 2,963 · 2,963 recorded · 2,913 measured · Source: BTS · US Department of Transportation 13:00 · 2,635 · 2,635 recorded · 2,595 measured · Source: BTS · US Department of Transportation 14:00 · 2,305 · 2,305 recorded · 2,261 measured · Source: BTS · US Department of Transportation 15:00 · 2,738 · 2,738 recorded · 2,693 measured · Source: BTS · US Department of Transportation 16:00 · 2,516 · 2,516 recorded · 2,452 measured · Source: BTS · US Department of Transportation 17:00 · 2,651 · 2,651 recorded · 2,597 measured · Source: BTS · US Department of Transportation 18:00 · 2,528 · 2,528 recorded · 2,475 measured · Source: BTS · US Department of Transportation 19:00 · 1,786 · 1,786 recorded · 1,714 measured · Source: BTS · US Department of Transportation 20:00 · 1,258 · 1,258 recorded · 1,208 measured · Source: BTS · US Department of Transportation 21:00 · 293 · 293 recorded · 287 measured · Source: BTS · US Department of Transportation 22:00 · 3 · 3 recorded · 2 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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View the figures Departure hour On-time departures Average departure delay With departure time Recorded flights 00:00 No observations — — — 01:00 No observations — — — 02:00 No observations — — — 03:00 No observations — — — 04:00 No observations — — — 05:00 92.8% 8.4 min 1,406 1,435 06:00 92.6% 3.8 min 5,686 5,789 07:00 91.7% 4.2 min 4,304 4,359 08:00 91.2% 5.7 min 2,687 2,720 09:00 91.0% 3.6 min 1,283 1,302 10:00 86.6% 6.2 min 2,871 2,918 11:00 85.7% 7.3 min 2,343 2,392 12:00 83.3% 9.4 min 2,913 2,963 13:00 81.7% 11.7 min 2,595 2,635 14:00 80.1% 13.0 min 2,261 2,305 15:00 78.1% 13.7 min 2,693 2,738 16:00 74.6% 17.6 min 2,452 2,516 17:00 74.1% 16.5 min 2,597 2,651 18:00 71.7% 21.8 min 2,475 2,528 19:00 72.3% 17.6 min 1,714 1,786 20:00 66.6% 27.5 min 1,208 1,258 21:00 53.0% 43.2 min 287 293 22:00 Fewer than 200 measured departures — 2 3 23:00 No observations — — —
Day of week On-time departures 100.0 50.0 0.0
Monday · 83.3% · 6,433 recorded · 6,284 measured · Source: BTS · US Department of Transportation Tuesday · 86.4% · 5,768 recorded · 5,669 measured · Source: BTS · US Department of Transportation Wednesday · 87.2% · 5,711 recorded · 5,624 measured · Source: BTS · US Department of Transportation Thursday · 82.2% · 6,369 recorded · 6,279 measured · Source: BTS · US Department of Transportation Friday · 81.8% · 6,333 recorded · 6,229 measured · Source: BTS · US Department of Transportation Saturday · 83.8% · 5,405 recorded · 5,310 measured · Source: BTS · US Department of Transportation Sunday · 79.4% · 6,572 recorded · 6,382 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Average departure delay 14.4 7.2 0.0
Monday · 9.8 min · 6,433 recorded · 6,284 measured · Source: BTS · US Department of Transportation Tuesday · 7.6 min · 5,768 recorded · 5,669 measured · Source: BTS · US Department of Transportation Wednesday · 6.6 min · 5,711 recorded · 5,624 measured · Source: BTS · US Department of Transportation Thursday · 11.7 min · 6,369 recorded · 6,279 measured · Source: BTS · US Department of Transportation Friday · 12.9 min · 6,333 recorded · 6,229 measured · Source: BTS · US Department of Transportation Saturday · 11.1 min · 5,405 recorded · 5,310 measured · Source: BTS · US Department of Transportation Sunday · 14.4 min · 6,572 recorded · 6,382 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Recorded flights 6,572 3,286 0
Monday · 6,433 · 6,433 recorded · 6,284 measured · Source: BTS · US Department of Transportation Tuesday · 5,768 · 5,768 recorded · 5,669 measured · Source: BTS · US Department of Transportation Wednesday · 5,711 · 5,711 recorded · 5,624 measured · Source: BTS · US Department of Transportation Thursday · 6,369 · 6,369 recorded · 6,279 measured · Source: BTS · US Department of Transportation Friday · 6,333 · 6,333 recorded · 6,229 measured · Source: BTS · US Department of Transportation Saturday · 5,405 · 5,405 recorded · 5,310 measured · Source: BTS · US Department of Transportation Sunday · 6,572 · 6,572 recorded · 6,382 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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View the figures Day of week On-time departures Average departure delay With departure time Recorded flights Monday 83.3% 9.8 min 6,284 6,433 Tuesday 86.4% 7.6 min 5,669 5,768 Wednesday 87.2% 6.6 min 5,624 5,711 Thursday 82.2% 11.7 min 6,279 6,369 Friday 81.8% 12.9 min 6,229 6,333 Saturday 83.8% 11.1 min 5,310 5,405 Sunday 79.4% 14.4 min 6,382 6,572
Month of year Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.
On-time departures 100.0 50.0 0.0
Jan · 84.1% · 3,279 recorded · 3,062 measured · Source: BTS · US Department of Transportation Feb · 84.6% · 3,168 recorded · 3,098 measured · Source: BTS · US Department of Transportation Mar · 82.0% · 3,914 recorded · 3,815 measured · Source: BTS · US Department of Transportation Apr · 83.7% · 4,084 recorded · 4,033 measured · Source: BTS · US Department of Transportation May · 81.9% · 4,429 recorded · 4,384 measured · Source: BTS · US Department of Transportation Jun · 77.5% · 4,126 recorded · 4,034 measured · Source: BTS · US Department of Transportation Jul · 77.8% · 2,176 recorded · 2,120 measured · Source: BTS · US Department of Transportation Aug · 84.5% · 2,061 recorded · 2,033 measured · Source: BTS · US Department of Transportation Sep · 87.6% · 3,954 recorded · 3,931 measured · Source: BTS · US Department of Transportation Oct · 87.7% · 4,268 recorded · 4,240 measured · Source: BTS · US Department of Transportation Nov · 86.2% · 3,635 recorded · 3,569 measured · Source: BTS · US Department of Transportation Dec · 80.7% · 3,497 recorded · 3,458 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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Average departure delay 17.5 8.7 0.0
Jan · 13.2 min · 3,279 recorded · 3,062 measured · Source: BTS · US Department of Transportation Feb · 9.7 min · 3,168 recorded · 3,098 measured · Source: BTS · US Department of Transportation Mar · 12.4 min · 3,914 recorded · 3,815 measured · Source: BTS · US Department of Transportation Apr · 9.5 min · 4,084 recorded · 4,033 measured · Source: BTS · US Department of Transportation May · 10.8 min · 4,429 recorded · 4,384 measured · Source: BTS · US Department of Transportation Jun · 17.5 min · 4,126 recorded · 4,034 measured · Source: BTS · US Department of Transportation Jul · 16.3 min · 2,176 recorded · 2,120 measured · Source: BTS · US Department of Transportation Aug · 10.0 min · 2,061 recorded · 2,033 measured · Source: BTS · US Department of Transportation Sep · 6.6 min · 3,954 recorded · 3,931 measured · Source: BTS · US Department of Transportation Oct · 5.0 min · 4,268 recorded · 4,240 measured · Source: BTS · US Department of Transportation Nov · 7.2 min · 3,635 recorded · 3,569 measured · Source: BTS · US Department of Transportation Dec · 12.8 min · 3,497 recorded · 3,458 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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Recorded flights 4,429 2,215 0
Jan · 3,279 · 3,279 recorded · 3,062 measured · Source: BTS · US Department of Transportation Feb · 3,168 · 3,168 recorded · 3,098 measured · Source: BTS · US Department of Transportation Mar · 3,914 · 3,914 recorded · 3,815 measured · Source: BTS · US Department of Transportation Apr · 4,084 · 4,084 recorded · 4,033 measured · Source: BTS · US Department of Transportation May · 4,429 · 4,429 recorded · 4,384 measured · Source: BTS · US Department of Transportation Jun · 4,126 · 4,126 recorded · 4,034 measured · Source: BTS · US Department of Transportation Jul · 2,176 · 2,176 recorded · 2,120 measured · Source: BTS · US Department of Transportation Aug · 2,061 · 2,061 recorded · 2,033 measured · Source: BTS · US Department of Transportation Sep · 3,954 · 3,954 recorded · 3,931 measured · Source: BTS · US Department of Transportation Oct · 4,268 · 4,268 recorded · 4,240 measured · Source: BTS · US Department of Transportation Nov · 3,635 · 3,635 recorded · 3,569 measured · Source: BTS · US Department of Transportation Dec · 3,497 · 3,497 recorded · 3,458 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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View the figures Month of year On-time departures Average departure delay With departure time Recorded flights Jan 84.1% 13.2 min 3,062 3,279 Feb 84.6% 9.7 min 3,098 3,168 Mar 82.0% 12.4 min 3,815 3,914 Apr 83.7% 9.5 min 4,033 4,084 May 81.9% 10.8 min 4,384 4,429 Jun 77.5% 17.5 min 4,034 4,126 Jul 77.8% 16.3 min 2,120 2,176 Aug 84.5% 10.0 min 2,033 2,061 Sep 87.6% 6.6 min 3,931 3,954 Oct 87.7% 5.0 min 4,240 4,268 Nov 86.2% 7.2 min 3,569 3,635 Dec 80.7% 12.8 min 3,458 3,497
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 81.7% 34,810 Delayed >15 min 16.4% 6,967 Cancelled 1.9% 814 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 punctuality and average delay.
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