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Flight Reliability

DL 5679 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5679 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

67%
Arrive within 15 minutes
18 min
Average arrival delay
7.4%
Cancelled
6 min early
Median arrival delay

Based on 339 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(46 flights)
  • Tue69%(51 flights)
  • Wed72%(47 flights)
  • Thu52%(46 flights)
  • Fri76%(50 flights)
  • Sat71%(28 flights)
  • Sun61%(46 flights)
On-time by departure window
  • 3–6 PM93%(14 flights)
  • 6–9 PM65%(260 flights)
  • 9 PM–12 AM70%(40 flights)
On-time trend by month
60%
May

Jun 46% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202546%26
July 202561%23
August 202579%29
September 202586%28
October 202559%29
November 202557%28
December 202572%29
January 202687%23
February 202677%22
March 202658%26
April 202665%26
May 202660%25
Departures on time
68%
Diverted
0%
Flights flown
314
Months covered
12

Keep nerding

Based on 339 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.