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WanderNerd

Flight Reliability

DL 5245 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5245 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

69%
Arrive within 15 minutes
17 min
Average arrival delay
0.3%
Cancelled
1 min early
Median arrival delay

Based on 369 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(57 flights)
  • Tue74%(58 flights)
  • Wed66%(56 flights)
  • Thu54%(54 flights)
  • Fri64%(52 flights)
  • Sat65%(37 flights)
  • Sun82%(54 flights)
On-time by departure window
  • 12–3 PM72%(32 flights)
  • 3–6 PM65%(213 flights)
  • 6–9 PM74%(123 flights)
On-time trend by month
70%
May

Jun 50% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%10
July 202563%48
August 202561%54
September 202554%52
October 202593%30
November 202596%24
December 202562%42
January 202679%19
March 202652%21
April 202680%46
May 202670%20
Departures on time
70%
Diverted
0%
Flights flown
368
Months covered
12

Based on 369 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.