Skip to content
WanderNerd

Flight Reliability

DL 824 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 824 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

76%
Arrive within 15 minutes
11 min
Average arrival delay
2.2%
Cancelled
6 min early
Median arrival delay

Based on 417 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(58 flights)
  • Tue72%(58 flights)
  • Wed79%(58 flights)
  • Thu69%(58 flights)
  • Fri78%(58 flights)
  • Sat83%(58 flights)
  • Sun71%(59 flights)
On-time by departure window
  • 6–9 AM94%(35 flights)
  • 9 AM–12 PM88%(91 flights)
  • 12–3 PM85%(93 flights)
  • 3–6 PM62%(188 flights)
On-time trend by month
82%
May

Jun 53% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202546%26
August 202574%31
September 202573%30
October 202568%31
November 202562%29
December 202581%42
January 202685%33
February 202673%11
March 202694%46
April 202688%42
May 202682%56
Departures on time
72%
Diverted
0.2%
Flights flown
407
Months covered
12

Based on 417 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.