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Flight Reliability

DL 5780 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5780 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

77%
Arrive within 15 minutes
7 min
Average arrival delay
4.1%
Cancelled
7 min early
Median arrival delay

Based on 538 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(75 flights)
  • Tue71%(78 flights)
  • Wed85%(75 flights)
  • Thu75%(80 flights)
  • Fri76%(83 flights)
  • Sat86%(42 flights)
  • Sun76%(82 flights)
On-time by departure window
  • 9 AM–12 PM86%(182 flights)
  • 12–3 PM66%(200 flights)
  • 3–6 PM84%(94 flights)
  • 6–9 PM77%(39 flights)
On-time trend by month
93%
May

Jun 71% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%52
July 202569%52
August 202593%41
September 202575%36
October 202568%60
November 202585%53
December 202575%47
January 202689%26
February 202683%24
March 202672%54
April 202669%42
May 202693%28
Departures on time
76%
Diverted
0.2%
Flights flown
515
Months covered
12

Keep nerding

Based on 538 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.