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WanderNerd

Flight Reliability

DL 5685 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5685 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

83%
Arrive within 15 minutes
3 min
Average arrival delay
0.7%
Cancelled
10 min early
Median arrival delay

Based on 138 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon92%(13 flights)
  • Tue87%(15 flights)
  • Wed80%(10 flights)
  • Thu80%(10 flights)
  • Fri73%(11 flights)
  • Sat90%(48 flights)
  • Sun73%(30 flights)
On-time by departure window
  • 6–9 AM85%(13 flights)
  • 9 AM–12 PM88%(32 flights)
  • 12–3 PM83%(36 flights)
  • 3–6 PM88%(33 flights)
  • 6–9 PM70%(23 flights)
On-time trend by month
90%
May

Aug 100% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 2025100%11
September 202591%21
October 202577%17
January 202681%16
April 202661%18
May 202690%29
Departures on time
85%
Diverted
0%
Flights flown
137
Months covered
11

Based on 138 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.