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Flight Reliability

DL 5415 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5415 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

81%
Arrive within 15 minutes
5 min
Average arrival delay
3.6%
Cancelled
11 min early
Median arrival delay

Based on 360 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(53 flights)
  • Tue78%(54 flights)
  • Wed83%(54 flights)
  • Thu84%(51 flights)
  • Fri81%(52 flights)
  • Sat79%(33 flights)
  • Sun90%(50 flights)
On-time by departure window
  • 6–9 AM91%(153 flights)
  • 9 AM–12 PM63%(27 flights)
  • 12–3 PM75%(143 flights)
  • 3–6 PM79%(24 flights)
On-time trend by month
82%
May

Jun 93% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%28
July 202596%28
August 202596%27
September 202593%29
October 202581%31
November 202576%29
December 202563%16
January 202681%26
February 202689%28
March 202663%43
April 202669%35
May 202682%27
Departures on time
83%
Diverted
0%
Flights flown
347
Months covered
12

Keep nerding

Based on 360 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.