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Flight Reliability

DL 1042 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1042 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

71%
Arrive within 15 minutes
14 min
Average arrival delay
0.2%
Cancelled
0 min
Median arrival delay

Based on 465 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(72 flights)
  • Tue75%(73 flights)
  • Wed77%(69 flights)
  • Thu68%(69 flights)
  • Fri81%(74 flights)
  • Sat66%(35 flights)
  • Sun57%(70 flights)
On-time by departure window
  • 6–9 AM100%(22 flights)
  • 12–3 PM69%(172 flights)
  • 3–6 PM68%(19 flights)
  • 6–9 PM70%(249 flights)
On-time trend by month
96%
May

Jun 61% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%54
July 202561%51
August 202564%44
September 202594%33
October 202564%47
November 202574%49
December 202567%52
January 202667%30
February 202686%22
March 202670%27
April 202673%26
May 202696%27
Departures on time
71%
Diverted
0.4%
Flights flown
462
Months covered
12

Keep nerding

Based on 465 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.