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Flight Reliability

DL 5816 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5816 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

78%
Arrive within 15 minutes
5 min
Average arrival delay
2.3%
Cancelled
9 min early
Median arrival delay

Based on 341 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(47 flights)
  • Tue80%(49 flights)
  • Wed94%(49 flights)
  • Thu74%(49 flights)
  • Fri78%(51 flights)
  • Sat83%(46 flights)
  • Sun62%(42 flights)
On-time by departure window
  • 6–9 AM88%(17 flights)
  • 9 AM–12 PM82%(124 flights)
  • 12–3 PM76%(109 flights)
  • 3–6 PM73%(22 flights)
  • 6–9 PM73%(60 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
92%
May

Jun 100% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%12
September 202593%44
October 202580%61
November 202574%58
December 202570%47
January 202679%28
February 202676%25
March 202650%10
April 202671%17
May 202692%24
Departures on time
82%
Diverted
0%
Flights flown
333
Months covered
12

Keep nerding

Based on 341 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.