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Flight Reliability

DL 3724 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3724 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

81%
Arrive within 15 minutes
11 min
Average arrival delay
0.6%
Cancelled
10 min early
Median arrival delay

Based on 355 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(52 flights)
  • Tue82%(50 flights)
  • Wed80%(49 flights)
  • Thu86%(51 flights)
  • Fri77%(52 flights)
  • Sat76%(45 flights)
  • Sun89%(52 flights)
On-time by departure window
  • 6–9 AM98%(102 flights)
  • 9 AM–12 PM95%(91 flights)
  • 12–3 PM—(3 flights)
  • 3–6 PM—(4 flights)
  • 6–9 PM62%(145 flights)
  • 9 PM–12 AM—(6 flights)
On-time trend by month
71%
May

Jul 100% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 2025100%50
August 202594%50
September 202591%35
October 2025100%46
December 202591%11
January 202658%31
February 202664%28
March 202652%29
April 202670%30
May 202671%31
Departures on time
83%
Diverted
0.6%
Flights flown
351
Months covered
12

Keep nerding

Based on 355 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.