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Flight Reliability

DL 5647 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5647 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

76%
Arrive within 15 minutes
10 min
Average arrival delay
2.8%
Cancelled
8 min early
Median arrival delay

Based on 638 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(91 flights)
  • Tue75%(93 flights)
  • Wed81%(95 flights)
  • Thu74%(95 flights)
  • Fri81%(98 flights)
  • Sat83%(57 flights)
  • Sun67%(91 flights)
On-time by departure window
  • 6–9 AM90%(20 flights)
  • 9 AM–12 PM88%(111 flights)
  • 12–3 PM79%(258 flights)
  • 3–6 PM64%(231 flights)
On-time trend by month
91%
May

Jun 76% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%54
July 202575%52
August 202586%35
September 202565%40
October 202556%55
November 202581%53
December 202576%50
January 202681%52
February 202675%51
March 202664%61
April 202682%60
May 202691%57
Departures on time
77%
Diverted
0%
Flights flown
620
Months covered
12

Keep nerding

Based on 638 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.