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Flight Reliability

DL 2879 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2879 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

51%
Arrive within 15 minutes
33 min
Average arrival delay
4.6%
Cancelled
15 min
Median arrival delay

Based on 540 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon46%(82 flights)
  • Tue59%(65 flights)
  • Wed63%(71 flights)
  • Thu46%(79 flights)
  • Fri46%(82 flights)
  • Sat57%(51 flights)
  • Sun46%(82 flights)
On-time by departure window
  • 3–6 PM42%(274 flights)
  • 6–9 PM62%(238 flights)
On-time trend by month
63%
May

Jun 29% → May 63% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202529%49
July 202540%45
August 202568%44
September 202581%41
October 202560%47
November 202559%41
December 202529%45
January 202657%35
February 202659%22
March 202635%43
April 202645%49
May 202663%51
Departures on time
63%
Diverted
0.6%
Flights flown
512
Months covered
12

Keep nerding

Based on 540 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.