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Flight Reliability

DL 3723 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3723 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
12 min
Average arrival delay
1.5%
Cancelled
9 min early
Median arrival delay

Based on 394 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(60 flights)
  • Tue79%(58 flights)
  • Wed81%(57 flights)
  • Thu90%(52 flights)
  • Fri71%(52 flights)
  • Sat85%(52 flights)
  • Sun93%(55 flights)
On-time by departure window
  • 6–9 AM93%(81 flights)
  • 9 AM–12 PM86%(22 flights)
  • 12–3 PM73%(102 flights)
  • 3–6 PM80%(158 flights)
  • 6–9 PM77%(22 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
100%
May

Jun 91% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%11
July 202560%55
August 202582%61
September 202590%20
November 202591%42
December 202562%13
January 202693%29
February 202693%27
March 202669%55
April 202688%60
May 2026100%12
Departures on time
81%
Diverted
0.5%
Flights flown
386
Months covered
12

Keep nerding

Based on 394 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.