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WanderNerd

Flight Reliability

DL 5015 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5015 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
3.0%
Cancelled
6 min early
Median arrival delay

Based on 641 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(88 flights)
  • Tue77%(91 flights)
  • Wed84%(87 flights)
  • Thu77%(85 flights)
  • Fri78%(90 flights)
  • Sat74%(89 flights)
  • Sun82%(90 flights)
On-time by departure window
  • 6–9 AM(1 flights)
  • 9 AM–12 PM84%(278 flights)
  • 12–3 PM76%(273 flights)
  • 3–6 PM74%(68 flights)
On-time trend by month
94%
May

Jun 75% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%60
July 202585%60
August 202590%62
September 202593%60
October 202568%60
November 202587%55
December 202557%46
January 202674%27
February 202680%25
March 202659%51
April 202680%60
May 202694%54
Departures on time
82%
Diverted
0.3%
Flights flown
620
Months covered
12

Based on 641 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.