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WanderNerd

Flight Reliability

DL 2542 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2542 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

83%
Arrive within 15 minutes
3 min
Average arrival delay
1.2%
Cancelled
7 min early
Median arrival delay

Based on 724 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(102 flights)
  • Tue90%(101 flights)
  • Wed86%(104 flights)
  • Thu91%(104 flights)
  • Fri85%(104 flights)
  • Sat78%(94 flights)
  • Sun76%(104 flights)
On-time by departure window
  • 9 AM–12 PM83%(320 flights)
  • 12–3 PM83%(393 flights)
On-time trend by month
86%
May

Jun 59% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%59
July 202577%62
August 202575%61
September 202595%60
October 202590%62
November 202586%59
December 202588%56
January 202691%56
February 202680%56
March 202682%60
April 202687%60
May 202686%62
Departures on time
83%
Diverted
0.3%
Flights flown
713
Months covered
12

Based on 724 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.