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WanderNerd

Flight Reliability

DL 5810 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5810 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

84%
Arrive within 15 minutes
4 min
Average arrival delay
4.1%
Cancelled
8 min early
Median arrival delay

Based on 246 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(35 flights)
  • Tue81%(37 flights)
  • Wed84%(38 flights)
  • Thu82%(38 flights)
  • Fri87%(37 flights)
  • Sat91%(21 flights)
  • Sun80%(30 flights)
On-time by departure window
  • 9 AM–12 PM87%(45 flights)
  • 12–3 PM89%(134 flights)
  • 3–6 PM(2 flights)
  • 6–9 PM80%(10 flights)
  • 9 PM–12 AM67%(45 flights)
On-time trend by month
92%
May

Jun 82% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%27
July 202589%26
August 202596%28
September 202588%25
October 202588%24
January 202685%20
February 202684%19
March 202655%22
April 202684%25
May 202692%13
Departures on time
84%
Diverted
0%
Flights flown
236
Months covered
11

Based on 246 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.