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WanderNerd

Flight Reliability

DL 580 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 580 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

76%
Arrive within 15 minutes
15 min
Average arrival delay
3.4%
Cancelled
9 min early
Median arrival delay

Based on 233 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(33 flights)
  • Tue72%(36 flights)
  • Wed74%(39 flights)
  • Thu82%(33 flights)
  • Fri77%(34 flights)
  • Sat60%(10 flights)
  • Sun81%(36 flights)
On-time by departure window
  • 9 AM–12 PM83%(99 flights)
  • 12–3 PM84%(37 flights)
  • 3–6 PM64%(74 flights)
  • 6–9 PM73%(11 flights)
On-time trend by month
75%
Dec

Jun 62% → Dec 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%39
July 202573%48
August 202581%48
September 202582%51
December 202575%12
Departures on time
77%
Diverted
1.7%
Flights flown
221
Months covered
10

Based on 233 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.