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WanderNerd

Flight Reliability

DL 5524 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5524 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
16 min
Average arrival delay
3.7%
Cancelled
8 min early
Median arrival delay

Based on 301 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(44 flights)
  • Tue73%(45 flights)
  • Wed83%(40 flights)
  • Thu78%(40 flights)
  • Fri80%(46 flights)
  • Sat80%(30 flights)
  • Sun69%(45 flights)
On-time by departure window
  • 12–3 PM73%(51 flights)
  • 3–6 PM69%(51 flights)
  • 6–9 PM80%(74 flights)
  • 9 PM–12 AM77%(114 flights)
On-time trend by month
75%
May

Jul 72% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202572%25
August 202582%28
September 202597%30
November 202575%40
December 202564%56
January 202685%27
February 202696%22
March 202655%22
May 202675%20
Departures on time
72%
Diverted
0%
Flights flown
290
Months covered
12

Based on 301 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.