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Flight Reliability

DL 1056 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1056 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

82%
Arrive within 15 minutes
1 min
Average arrival delay
1.6%
Cancelled
12 min early
Median arrival delay

Based on 368 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(51 flights)
  • Tue82%(51 flights)
  • Wed86%(51 flights)
  • Thu89%(52 flights)
  • Fri80%(51 flights)
  • Sat75%(56 flights)
  • Sun76%(49 flights)
On-time by departure window
  • 6–9 AM82%(56 flights)
  • 9 AM–12 PM85%(198 flights)
  • 12–3 PM80%(30 flights)
  • 6–9 PM60%(42 flights)
  • 9 PM–12 AM89%(35 flights)
On-time trend by month
90%
May

Jun 72% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%29
July 202590%31
August 202588%33
September 202597%30
October 202577%31
November 202587%30
December 202587%31
January 202672%29
February 202686%28
March 202653%30
April 202679%29
May 202690%30
Departures on time
77%
Diverted
0.3%
Flights flown
361
Months covered
12

Keep nerding

Based on 368 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.