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Airport Reliability

SDF · Louisville

Louisville Muhammad Ali International Airport

82%
Departures within 15 minutes
12 min
Average departure delay
78%
Arrivals within 15 minutes
2.2%
Departures cancelled

Based on 26,912 departures and 26,910 arrivals. Data through May 2026.

What the data says

Morning-you made the right choice.

Departures from SDF departing between 3–6 AM arrived on time 95% of the time, versus 59% between 9 PM–12 AM.

Wednesday has been the better bet.

A small edge: 84% on time on Wednesdays against 78% on Sundays.

When SDF gets messy

On-time by departure window
  • 3–6 AM95%(798 flights)
  • 6–9 AM90%(7526 flights)
  • 9 AM–12 PM86%(4629 flights)
  • 12–3 PM81%(4864 flights)
  • 3–6 PM73%(5071 flights)
  • 6–9 PM70%(3226 flights)
  • 9 PM–12 AM59%(129 flights)
On-time by weekday
  • Mon82%(3881 flights)
  • Tue83%(3584 flights)
  • Wed84%(3575 flights)
  • Thu82%(3923 flights)
  • Fri81%(3889 flights)
  • Sat83%(3397 flights)
  • Sun78%(3994 flights)
On-time trend by month
83%
May

Jun 76% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%2363
July 202578%2407
August 202584%2327
September 202588%2224
October 202585%2422
November 202582%2002
December 202575%2044
January 202684%1763
February 202684%1765
March 202680%2132
April 202683%2288
May 202683%2506

Airlines departing SDF

Busiest routes from SDF

Based on 26,912 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.