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Flight Reliability

DL 3522 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3522 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

93%
Arrive within 15 minutes
10 min early
Average arrival delay
0%
Cancelled
14 min early
Median arrival delay

Based on 377 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon91%(58 flights)
  • Tue91%(58 flights)
  • Wed95%(58 flights)
  • Thu96%(56 flights)
  • Fri93%(54 flights)
  • Sat97%(36 flights)
  • Sun91%(57 flights)
On-time by departure window
  • 12–3 PM—(7 flights)
  • 3–6 PM92%(74 flights)
  • 6–9 PM94%(296 flights)
On-time trend by month
89%
Dec

Jun 95% → Dec 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202595%60
July 202589%52
August 202596%55
September 202593%60
October 202593%61
November 202596%53
December 202589%36
Departures on time
92%
Diverted
0%
Flights flown
377
Months covered
7

Keep nerding

Based on 377 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.