Louisville Muhammad Ali (SDF)

SDF / KSDF

Official · May 2026

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).

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.
24 of 24
PeriodPassengers Year on yearSource
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 delay09:00–10:003.6min · 1,302 recorded · 1,283 measured
Gap to highest-delay hour39.6min09:00 ↔ 21:00
Recorded flights42,591Louisville Muhammad Ali International Airport

Departure hour

On-time departures
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

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Average departure delay
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

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Recorded flights
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

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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
05:0092.8%8.4 min1,4061,435
06:0092.6%3.8 min5,6865,789
07:0091.7%4.2 min4,3044,359
08:0091.2%5.7 min2,6872,720
09:0091.0%3.6 min1,2831,302
10:0086.6%6.2 min2,8712,918
11:0085.7%7.3 min2,3432,392
12:0083.3%9.4 min2,9132,963
13:0081.7%11.7 min2,5952,635
14:0080.1%13.0 min2,2612,305
15:0078.1%13.7 min2,6932,738
16:0074.6%17.6 min2,4522,516
17:0074.1%16.5 min2,5972,651
18:0071.7%21.8 min2,4752,528
19:0072.3%17.6 min1,7141,786
20:0066.6%27.5 min1,2081,258
21:0053.0%43.2 min287293
22:00Fewer than 200 measured departures23
23:00No observations

Day of week

On-time departures
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

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Average departure delay
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

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Recorded flights
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

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday83.3%9.8 min6,2846,433
Tuesday86.4%7.6 min5,6695,768
Wednesday87.2%6.6 min5,6245,711
Thursday82.2%11.7 min6,2796,369
Friday81.8%12.9 min6,2296,333
Saturday83.8%11.1 min5,3105,405
Sunday79.4%14.4 min6,3826,572

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
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

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Average departure delay
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

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Recorded flights
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

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan84.1%13.2 min3,0623,279
Feb84.6%9.7 min3,0983,168
Mar82.0%12.4 min3,8153,914
Apr83.7%9.5 min4,0334,084
May81.9%10.8 min4,3844,429
Jun77.5%17.5 min4,0344,126
Jul77.8%16.3 min2,1202,176
Aug84.5%10.0 min2,0332,061
Sep87.6%6.6 min3,9313,954
Oct87.7%5.0 min4,2404,268
Nov86.2%7.2 min3,5693,635
Dec80.7%12.8 min3,4583,497

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.