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WanderNerd

Flight Reliability

DL 5225 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5225 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

73%
Arrive within 15 minutes
13 min
Average arrival delay
1.2%
Cancelled
8 min early
Median arrival delay

Based on 259 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(37 flights)
  • Tue70%(37 flights)
  • Wed73%(37 flights)
  • Thu73%(37 flights)
  • Fri60%(35 flights)
  • Sat88%(33 flights)
  • Sun74%(39 flights)
On-time by departure window
  • 3–6 AM(1 flights)
  • 9 AM–12 PM92%(13 flights)
  • 12–3 PM82%(17 flights)
  • 3–6 PM77%(109 flights)
  • 9 PM–12 AM65%(115 flights)
On-time trend by month
80%
Apr

Jun 62% → Apr 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%34
July 202558%31
August 202573%30
September 202577%30
December 202575%24
March 202675%48
April 202680%40
Departures on time
74%
Diverted
0.4%
Flights flown
255
Months covered
10

Based on 259 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.