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Flight Reliability

DL 5125 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5125 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

85%
Arrive within 15 minutes
2 min
Average arrival delay
3.3%
Cancelled
10 min early
Median arrival delay

Based on 481 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(71 flights)
  • Tue82%(74 flights)
  • Wed81%(75 flights)
  • Thu96%(78 flights)
  • Fri85%(74 flights)
  • Sat83%(30 flights)
  • Sun81%(62 flights)
On-time by departure window
  • 6–9 AM84%(126 flights)
  • 9 AM–12 PM88%(166 flights)
  • 12–3 PM83%(129 flights)
  • 3–6 PM—(8 flights)
  • 9 PM–12 AM77%(35 flights)
On-time trend by month
88%
May

Jul 69% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202569%26
August 202585%47
September 202583%52
October 202585%58
November 2025100%15
December 202573%22
January 202693%42
February 202689%36
March 202688%50
April 202680%54
May 202688%56
Departures on time
86%
Diverted
0.2%
Flights flown
464
Months covered
12

Keep nerding

Based on 481 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.