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WanderNerd

Flight Reliability

DL 5726 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5726 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

80%
Arrive within 15 minutes
6 min
Average arrival delay
3.9%
Cancelled
11 min early
Median arrival delay

Based on 333 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(49 flights)
  • Tue84%(51 flights)
  • Wed80%(51 flights)
  • Thu68%(50 flights)
  • Fri80%(49 flights)
  • Sat78%(23 flights)
  • Sun83%(47 flights)
On-time by departure window
  • 9 AM–12 PM87%(183 flights)
  • 12–3 PM(1 flights)
  • 3–6 PM71%(136 flights)
On-time trend by month
80%
May

Jun 77% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%26
July 202585%27
August 202593%29
September 202587%30
October 202597%31
November 202586%28
December 202579%29
January 202682%22
February 202682%22
March 202644%25
April 202658%26
May 202680%25
Departures on time
81%
Diverted
0%
Flights flown
320
Months covered
12

Based on 333 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.