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Flight Reliability

DL 2739 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2739 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

89%
Arrive within 15 minutes
4 min early
Average arrival delay
3.1%
Cancelled
11 min early
Median arrival delay

Based on 714 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon92%(98 flights)
  • Tue86%(100 flights)
  • Wed93%(102 flights)
  • Thu95%(102 flights)
  • Fri86%(97 flights)
  • Sat86%(94 flights)
  • Sun85%(98 flights)
On-time by departure window
  • 6–9 AM92%(184 flights)
  • 9 AM–12 PM95%(184 flights)
  • 12–3 PM84%(158 flights)
  • 3–6 PM85%(148 flights)
  • 6–9 PM77%(17 flights)
On-time trend by month
77%
May

Jun 91% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%54
July 202598%54
August 202584%62
September 2025100%60
October 202593%60
November 202596%54
December 202588%58
January 202688%56
February 202682%54
March 202689%61
April 202684%56
May 202677%62
Departures on time
87%
Diverted
0.1%
Flights flown
691
Months covered
12

Keep nerding

Based on 714 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.