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Flight Reliability

DL 563 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 563 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

65%
Arrive within 15 minutes
22 min
Average arrival delay
6.1%
Cancelled
3 min early
Median arrival delay

Based on 409 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(56 flights)
  • Tue64%(58 flights)
  • Wed67%(55 flights)
  • Thu66%(61 flights)
  • Fri61%(62 flights)
  • Sat87%(31 flights)
  • Sun54%(59 flights)
On-time by departure window
  • 12–3 PM65%(20 flights)
  • 3–6 PM68%(133 flights)
  • 6–9 PM64%(229 flights)
On-time trend by month
67%
May

Jun 53% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202558%33
August 202562%29
September 202589%26
October 202567%27
November 202573%22
December 202556%39
January 202665%34
February 202677%35
March 202657%47
April 202672%36
May 202667%24
Departures on time
69%
Diverted
0.5%
Flights flown
382
Months covered
12

Keep nerding

Based on 409 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.