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Route Reliability

Louisville → Atlanta

SDF–ATL · 321 miles · Louisville Muhammad Ali International Airport to Hartsfield–Jackson Atlanta International Airport

90
Nerd Approved
WanderNerd Reliability Score
89%
Arrive within 15 minutes
6 min early
Average arrival delay
1.8%
Cancelled
2,813
Flights in the data

Data through May 2026.

Airlines on this route

  • Delta Air Lines89% on time · 2,802 flights
  • Spirit Airlines73% on time · 11 flights

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

What the data says

Morning-you made the right choice.

SDF–ATL flights departing between 6–9 AM arrived on time 93% of the time, versus 85% between 3–6 PM.

Sunday scaries are real for this one.

SDF–ATL flights arrived on time 94% of the time on Thursdays. On Sundays: 86%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon88%(423 flights)
  • Tue88%(378 flights)
  • Wed93%(379 flights)
  • Thu94%(418 flights)
  • Fri90%(418 flights)
  • Sat87%(332 flights)
  • Sun86%(412 flights)
On-time by departure window
  • 3–6 AM92%(47 flights)
  • 6–9 AM93%(970 flights)
  • 9 AM–12 PM90%(496 flights)
  • 12–3 PM89%(386 flights)
  • 3–6 PM85%(609 flights)
  • 6–9 PM85%(252 flights)
On-time trend by month
90%
May

Jun 81% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%253
July 202585%255
August 202592%249
September 202599%239
October 202594%253
November 202586%210
December 202585%208
January 202687%186
February 202692%193
March 202687%220
April 202694%235
May 202690%259

Keep nerding

Based on 2,813 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.