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Route Reliability

Louisville → Phoenix

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

86
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
0 min
Average arrival delay
1.1%
Cancelled
372
Flights in the data

Data through May 2026.

Airlines on this route

  • Southwest Airlines84% on time · 369 flights
  • American Airlines67% 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.

SDF–PHX flights departing between 9 AM–12 PM arrived on time 96% of the time, versus 67% between 6–9 PM.

Tuesday is the weak spot.

SDF–PHX flights arrived on time 89% of the time on Fridays. On Tuesdays: 78%.

Flights on this route

The breakdown

On-time by weekday
  • Mon86%(49 flights)
  • Tue78%(51 flights)
  • Wed83%(52 flights)
  • Thu83%(52 flights)
  • Fri89%(53 flights)
  • Sat84%(56 flights)
  • Sun85%(53 flights)
On-time by departure window
  • 3–6 AM—(8 flights)
  • 6–9 AM92%(94 flights)
  • 9 AM–12 PM96%(22 flights)
  • 12–3 PM76%(75 flights)
  • 3–6 PM87%(119 flights)
  • 6–9 PM67%(48 flights)
On-time trend by month
88%
May

Jun 87% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202577%31
August 202583%29
September 202576%29
October 202587%31
November 202582%28
December 202571%31
January 202697%29
February 202689%28
March 202688%34
April 202681%32
May 202688%34

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.