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Flight Reliability

DL 5186 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5186 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

77%
Arrive within 15 minutes
9 min
Average arrival delay
4.0%
Cancelled
8 min early
Median arrival delay

Based on 642 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(82 flights)
  • Tue72%(90 flights)
  • Wed78%(92 flights)
  • Thu82%(89 flights)
  • Fri81%(93 flights)
  • Sat73%(84 flights)
  • Sun70%(86 flights)
On-time by departure window
  • 6–9 AM77%(91 flights)
  • 9 AM–12 PM78%(438 flights)
  • 12–3 PM73%(69 flights)
  • 3–6 PM61%(18 flights)
On-time trend by month
76%
May

Jun 68% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%59
July 202577%60
August 202587%61
September 202592%60
October 202576%58
November 202573%52
December 202556%43
January 202670%54
February 202690%50
March 202669%35
April 202683%30
May 202676%54
Departures on time
80%
Diverted
0%
Flights flown
616
Months covered
12

Keep nerding

Based on 642 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.