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Flight Reliability

DL 5025 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5025 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

79%
Arrive within 15 minutes
7 min
Average arrival delay
2.9%
Cancelled
9 min early
Median arrival delay

Based on 652 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(90 flights)
  • Tue82%(93 flights)
  • Wed86%(93 flights)
  • Thu74%(90 flights)
  • Fri81%(94 flights)
  • Sat79%(80 flights)
  • Sun75%(91 flights)
On-time by departure window
  • 6–9 AM88%(94 flights)
  • 9 AM–12 PM83%(272 flights)
  • 12–3 PM70%(189 flights)
  • 3–6 PM75%(76 flights)
On-time trend by month
77%
May

Jun 76% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%58
July 202563%57
August 202590%57
September 202590%59
October 202584%62
November 202576%54
December 202560%58
January 202679%33
February 202680%25
March 202689%55
April 202682%60
May 202677%53
Departures on time
79%
Diverted
0.3%
Flights flown
631
Months covered
12

Keep nerding

Based on 652 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.