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Flight Reliability

DL 3563 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3563 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

89%
Arrive within 15 minutes
10 min
Average arrival delay
0.6%
Cancelled
13 min early
Median arrival delay

Based on 181 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon96%(27 flights)
  • Tue96%(25 flights)
  • Wed80%(25 flights)
  • Thu92%(26 flights)
  • Fri85%(26 flights)
  • Sat92%(25 flights)
  • Sun81%(26 flights)
On-time by departure window
  • 6–9 AM—(7 flights)
  • 9 AM–12 PM—(8 flights)
  • 3–6 PM—(5 flights)
  • 6–9 PM90%(160 flights)
On-time trend by month
100%
Dec

Jun 76% → Dec 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%37
July 202581%31
September 202595%20
October 202597%31
November 202593%28
December 2025100%19
Departures on time
86%
Diverted
0%
Flights flown
180
Months covered
8

Keep nerding

Based on 181 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.