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Flight Reliability

DL 2573 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2573 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

70%
Arrive within 15 minutes
21 min
Average arrival delay
4.7%
Cancelled
6 min early
Median arrival delay

Based on 665 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(90 flights)
  • Tue80%(96 flights)
  • Wed68%(93 flights)
  • Thu66%(88 flights)
  • Fri71%(90 flights)
  • Sat71%(90 flights)
  • Sun59%(86 flights)
On-time by departure window
  • 12–3 PM68%(296 flights)
  • 3–6 PM71%(318 flights)
  • 6–9 PM84%(19 flights)
On-time trend by month
76%
May

Jun 63% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%59
July 202536%44
August 202565%62
September 202570%56
October 202554%61
November 202578%55
December 202577%51
January 202677%57
February 202664%22
March 202689%44
April 202683%60
May 202676%62
Departures on time
72%
Diverted
0.2%
Flights flown
633
Months covered
12

Keep nerding

Based on 665 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.