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Flight Reliability

DL 1610 · Delta Air Lines

Louisville → Atlanta (SDF–ATL)

92
Nerd Approved
WanderNerd Reliability Score
92%
Arrive within 15 minutes
6 min early
Average arrival delay
1.9%
Cancelled
19 min early
Median arrival delay

Based on 361 historical flights. Data through May 2026.

What the data says

Skip Monday if you can.

DL 1610 arrived on time 98% of the time on Thursdays. On Mondays: 88%.

A bit ahead of the SDF–ATL route.

DL 1610 arrived on time 92% of the time, versus 89% across the SDF–ATL route.

Better than the Delta Air Lines network average.

DL 1610 arrived on time 92% of the time, versus 81% across the Delta Air Lines network.

Trending in the right direction.

DL 1610 arrived on time 94% of the time over the last three months in the data, compared with 87% in the three months before that.

The breakdown

On-time by weekday
  • Mon88%(50 flights)
  • Tue92%(51 flights)
  • Wed90%(51 flights)
  • Thu98%(52 flights)
  • Fri94%(49 flights)
  • Sat94%(47 flights)
  • Sun91%(53 flights)
On-time trend by month
93%
May

Jun 90% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%29
July 202597%31
August 202590%30
September 202597%30
October 202597%30
November 202596%26
December 202574%31
January 202686%29
February 2026100%28
March 202690%30
April 2026100%29
May 202693%30
Departures on time
94%
Diverted
0.3%
Flights flown
353
Months covered
12

Same route, other flights

Keep nerding

Based on 361 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.