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Route Reliability

Dallas → Louisville

DAL–SDF · 725 miles · Dallas Love Field to Louisville Muhammad Ali International Airport

79
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
9 min
Average arrival delay
1.1%
Cancelled
351
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 77% of the time across 351 flights. No comparison to make.

What the data says

Morning-you made the right choice.

DAL–SDF flights departing between 9 AM–12 PM arrived on time 86% of the time, versus 60% between 3–6 PM.

Saturdays have been rough.

DAL–SDF flights arrived on time 85% of the time on Tuesdays and just 66% on Saturdays. That gap is worth planning around.

Recent months have been rougher.

DAL–SDF flights arrived on time 68% of the time over the last three months in the data, compared with 85% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon80%(50 flights)
  • Tue85%(52 flights)
  • Wed85%(52 flights)
  • Thu68%(53 flights)
  • Fri80%(51 flights)
  • Sat66%(35 flights)
  • Sun72%(53 flights)
On-time by departure window
  • 6–9 AM—(5 flights)
  • 9 AM–12 PM86%(148 flights)
  • 12–3 PM75%(113 flights)
  • 3–6 PM60%(67 flights)
  • 6–9 PM77%(13 flights)
On-time trend by month
74%
May

Jun 67% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202563%30
August 202585%27
September 202596%26
October 202581%31
November 202572%29
December 202584%31
January 202686%28
February 202686%28
March 202674%31
April 202657%28
May 202674%27

Same trip, other airports

Keep nerding

Based on 351 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.