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Flight Reliability

DL 564 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 564 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

75%
Arrive within 15 minutes
11 min
Average arrival delay
1.0%
Cancelled
2 min early
Median arrival delay

Based on 306 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(45 flights)
  • Tue82%(38 flights)
  • Wed77%(43 flights)
  • Thu80%(45 flights)
  • Fri71%(45 flights)
  • Sat81%(43 flights)
  • Sun62%(42 flights)
On-time by departure window
  • 6–9 AM94%(35 flights)
  • 9 AM–12 PM58%(19 flights)
  • 3–6 PM73%(240 flights)
  • 6–9 PM—(7 flights)
On-time trend by month
68%
May

Jun 57% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%23
July 202594%16
August 202579%28
September 202563%30
October 202590%31
November 202583%29
December 202569%29
January 202668%31
February 202682%28
April 202672%18
May 202668%31
Departures on time
78%
Diverted
0.7%
Flights flown
301
Months covered
12

Keep nerding

Based on 306 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.