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Flight Reliability

DL 2615 · Delta Air Lines

Atlanta → FSD (ATL–FSD)

77
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
10 min
Average arrival delay
1.4%
Cancelled
3 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

6–9 PM has a slight edge.

Departures between 6–9 PM arrived on time 81% of the time, against 76% between 9 PM–12 AM.

Skip Saturday if you can.

DL 2615 arrived on time 84% of the time on Sundays. On Saturdays: 72%.

A bit behind the Delta Air Lines network.

DL 2615 arrived on time 77% of the time, versus 81% across the Delta Air Lines network.

Ticking up lately.

DL 2615 arrived on time 81% of the time over the last three months in the data, compared with 78% in the three months before that.

The breakdown

On-time by weekday
  • Mon83%(52 flights)
  • Tue73%(52 flights)
  • Wed75%(52 flights)
  • Thu77%(52 flights)
  • Fri73%(51 flights)
  • Sat72%(50 flights)
  • Sun84%(49 flights)
On-time by departure window
  • 6–9 PM81%(63 flights)
  • 9 PM–12 AM76%(295 flights)
On-time trend by month
67%
May

Jun 64% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%28
July 202540%30
August 202581%31
September 202583%30
October 202590%31
November 202583%29
December 202573%30
January 202677%31
February 202682%28
March 202683%30
April 202693%30
May 202667%30
Departures on time
82%
Diverted
0.5%
Flights flown
358
Months covered
12

Keep nerding

Based on 365 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.