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WanderNerd

Flight Reliability

DL 2565 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2565 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

82%
Arrive within 15 minutes
1 min
Average arrival delay
1.5%
Cancelled
6 min early
Median arrival delay

Based on 323 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(51 flights)
  • Tue91%(42 flights)
  • Wed85%(40 flights)
  • Thu74%(50 flights)
  • Fri76%(49 flights)
  • Sat75%(36 flights)
  • Sun85%(48 flights)
On-time by departure window
  • 6–9 AM94%(50 flights)
  • 9 AM–12 PM89%(35 flights)
  • 12–3 PM86%(94 flights)
  • 3–6 PM90%(10 flights)
  • 6–9 PM66%(29 flights)
  • 9 PM–12 AM75%(98 flights)
On-time trend by month
83%
Apr

Jun 57% → Apr 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%28
July 202571%31
August 202583%18
September 202585%13
October 202581%16
January 202692%52
February 202693%53
March 202682%60
April 202683%40
Departures on time
85%
Diverted
0.6%
Flights flown
316
Months covered
10

Based on 323 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.