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Flight Reliability

DL 3925 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3925 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

78%
Arrive within 15 minutes
14 min
Average arrival delay
0.6%
Cancelled
6 min early
Median arrival delay

Based on 317 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(46 flights)
  • Tue76%(46 flights)
  • Wed80%(46 flights)
  • Thu83%(46 flights)
  • Fri85%(48 flights)
  • Sat78%(36 flights)
  • Sun79%(47 flights)
On-time by departure window
  • 6–9 AM92%(24 flights)
  • 9 AM–12 PM78%(166 flights)
  • 12–3 PM69%(68 flights)
  • 3–6 PM—(6 flights)
  • 6–9 PM91%(45 flights)
  • 9 PM–12 AM—(6 flights)
On-time trend by month
87%
May

Jun 85% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%27
July 202578%27
August 202591%32
September 202585%34
October 202569%29
November 202571%24
December 202569%16
January 2026100%11
February 202665%43
March 202665%23
April 202689%18
May 202687%31
Departures on time
81%
Diverted
0%
Flights flown
315
Months covered
12

Keep nerding

Based on 317 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.