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WanderNerd

Flight Reliability

DL 2585 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2585 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

88%
Arrive within 15 minutes
1 min early
Average arrival delay
1.0%
Cancelled
10 min early
Median arrival delay

Based on 691 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(100 flights)
  • Tue91%(100 flights)
  • Wed90%(100 flights)
  • Thu98%(98 flights)
  • Fri86%(98 flights)
  • Sat81%(88 flights)
  • Sun81%(99 flights)
On-time by departure window
  • 6–9 AM94%(16 flights)
  • 9 AM–12 PM85%(123 flights)
  • 12–3 PM87%(476 flights)
  • 3–6 PM94%(48 flights)
  • 6–9 PM100%(19 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
96%
May

Jun 78% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%46
July 202589%62
August 202595%62
September 202592%60
October 202592%62
November 202578%59
December 202590%50
January 202691%58
February 202689%54
March 202670%60
April 202692%60
May 202696%50
Departures on time
86%
Diverted
0.1%
Flights flown
683
Months covered
12

Based on 691 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.