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Flight Reliability

DL 1125 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1125 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

86%
Arrive within 15 minutes
3 min early
Average arrival delay
2.1%
Cancelled
13 min early
Median arrival delay

Based on 719 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(102 flights)
  • Tue94%(102 flights)
  • Wed88%(102 flights)
  • Thu80%(103 flights)
  • Fri84%(99 flights)
  • Sat88%(93 flights)
  • Sun82%(100 flights)
On-time by departure window
  • 6–9 AM100%(19 flights)
  • 9 AM–12 PM89%(81 flights)
  • 12–3 PM85%(447 flights)
  • 3–6 PM84%(154 flights)
On-time trend by month
89%
May

Jun 83% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%58
July 202587%61
August 202579%61
September 202595%55
October 202583%58
November 202593%56
December 202572%60
January 202680%60
February 202695%56
March 202683%58
April 202696%56
May 202689%62
Departures on time
84%
Diverted
0.4%
Flights flown
701
Months covered
12

Keep nerding

Based on 719 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.