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WanderNerd

Flight Reliability

DL 2729 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2729 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

68%
Arrive within 15 minutes
21 min
Average arrival delay
3.5%
Cancelled
0 min
Median arrival delay

Based on 346 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(52 flights)
  • Tue77%(53 flights)
  • Wed69%(48 flights)
  • Thu66%(47 flights)
  • Fri63%(49 flights)
  • Sat77%(34 flights)
  • Sun58%(48 flights)
On-time by departure window
  • 12–3 PM80%(101 flights)
  • 3–6 PM(1 flights)
  • 6–9 PM62%(229 flights)
On-time trend by month
87%
May

Jun 39% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202539%33
July 202535%23
August 202541%27
September 202585%27
October 202570%27
November 202583%23
December 202570%27
January 202672%29
February 202685%26
March 202664%28
April 202683%30
May 202687%31
Departures on time
70%
Diverted
0.9%
Flights flown
331
Months covered
12

Based on 346 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.