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Flight Reliability

DL 3042 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3042 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

79%
Arrive within 15 minutes
5 min
Average arrival delay
4.9%
Cancelled
9 min early
Median arrival delay

Based on 326 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(68 flights)
  • Tue—(9 flights)
  • Wed—(8 flights)
  • Thu80%(74 flights)
  • Fri80%(74 flights)
  • Sat—(6 flights)
  • Sun73%(71 flights)
On-time by departure window
  • 3–6 PM74%(132 flights)
  • 6–9 PM83%(178 flights)
On-time trend by month
83%
May

Jun 60% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202557%30
August 202579%28
September 202571%24
October 202581%32
November 202596%25
December 202589%28
January 202682%17
March 202682%28
April 202688%32
May 202683%30
Departures on time
75%
Diverted
0%
Flights flown
310
Months covered
12

Keep nerding

Based on 326 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.