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WanderNerd

Flight Reliability

DL 5861 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5861 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

67%
Arrive within 15 minutes
18 min
Average arrival delay
4.8%
Cancelled
4 min early
Median arrival delay

Based on 249 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(36 flights)
  • Tue68%(34 flights)
  • Wed64%(33 flights)
  • Thu63%(35 flights)
  • Fri76%(37 flights)
  • Sat80%(20 flights)
  • Sun62%(42 flights)
On-time by departure window
  • 9 AM–12 PM86%(65 flights)
  • 12–3 PM80%(35 flights)
  • 3–6 PM52%(21 flights)
  • 6–9 PM55%(116 flights)
On-time trend by month
74%
May

Jun 55% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%20
July 202562%21
August 202585%26
September 202544%18
October 202544%27
January 202689%26
February 202683%23
March 202692%13
April 202655%20
May 202674%27
Departures on time
65%
Diverted
0%
Flights flown
237
Months covered
12

Based on 249 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.