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Flight Reliability

DL 5717 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5717 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

60%
Arrive within 15 minutes
19 min
Average arrival delay
9.2%
Cancelled
5 min
Median arrival delay

Based on 491 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon63%(67 flights)
  • Tue63%(70 flights)
  • Wed57%(62 flights)
  • Thu43%(65 flights)
  • Fri68%(68 flights)
  • Sat78%(49 flights)
  • Sun52%(64 flights)
On-time by departure window
  • 3–6 PM63%(320 flights)
  • 6–9 PM52%(125 flights)
On-time trend by month
41%
May

Jun 68% → May 41% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%25
July 202550%24
August 202576%46
September 202580%54
October 202567%54
November 202545%49
December 202568%41
January 202667%27
February 202635%26
March 202639%26
April 202662%29
May 202641%44
Departures on time
72%
Diverted
0.2%
Flights flown
445
Months covered
12

Keep nerding

Based on 491 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.