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WanderNerd

Flight Reliability

DL 5686 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5686 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

79%
Arrive within 15 minutes
5 min
Average arrival delay
3.3%
Cancelled
10 min early
Median arrival delay

Based on 367 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(51 flights)
  • Tue80%(54 flights)
  • Wed81%(53 flights)
  • Thu75%(51 flights)
  • Fri78%(54 flights)
  • Sat83%(42 flights)
  • Sun76%(50 flights)
On-time by departure window
  • 6–9 AM87%(155 flights)
  • 9 AM–12 PM87%(86 flights)
  • 12–3 PM73%(11 flights)
  • 3–6 PM83%(24 flights)
  • 6–9 PM57%(79 flights)
On-time trend by month
86%
May

Jun 85% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%26
July 202590%30
August 202592%12
September 202550%20
October 202557%28
November 202568%28
December 202570%27
January 202685%26
February 202693%15
March 202682%34
April 202687%52
May 202686%57
Departures on time
80%
Diverted
0%
Flights flown
355
Months covered
12

Based on 367 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.