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Route Reliability

Phoenix → Louisville

PHX–SDF · 1,506 miles · Phoenix Sky Harbor International Airport to Louisville Muhammad Ali International Airport

80
Pretty Reliable
WanderNerd Reliability Score
75%
Arrive within 15 minutes
9 min
Average arrival delay
0.5%
Cancelled
372
Flights in the data

Data through May 2026.

Airlines on this route

  • Southwest Airlines75% on time · 369 flights
  • American Airlines100% on time · 3 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning flights do better here.

PHX–SDF flights departing between 9 AM–12 PM arrived on time 84% of the time, versus 53% between 3–6 PM.

Sunday scaries are real for this one.

PHX–SDF flights arrived on time 86% of the time on Saturdays and just 67% on Sundays. That gap is worth planning around.

Slipping a little lately.

PHX–SDF flights arrived on time 66% of the time over the last three months in the data, compared with 72% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon73%(52 flights)
  • Tue77%(51 flights)
  • Wed77%(52 flights)
  • Thu74%(53 flights)
  • Fri72%(53 flights)
  • Sat86%(56 flights)
  • Sun67%(52 flights)
On-time by departure window
  • 6–9 AM83%(41 flights)
  • 9 AM–12 PM84%(132 flights)
  • 12–3 PM83%(80 flights)
  • 3–6 PM53%(74 flights)
  • 6–9 PM64%(42 flights)
On-time trend by month
73%
May

Jun 87% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202584%31
August 202597%30
September 202583%30
October 202574%31
November 202564%28
December 202558%31
January 202683%29
February 202675%28
March 202674%35
April 202652%33
May 202673%33

Keep nerding

Based on 372 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.