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WanderNerd

Flight Reliability

DL 5784 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5784 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

74%
Arrive within 15 minutes
10 min
Average arrival delay
8.7%
Cancelled
7 min early
Median arrival delay

Based on 309 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(37 flights)
  • Tue66%(38 flights)
  • Wed77%(39 flights)
  • Thu72%(39 flights)
  • Fri84%(43 flights)
  • Sat79%(42 flights)
  • Sun75%(44 flights)
On-time by departure window
  • 6–9 AM83%(89 flights)
  • 9 AM–12 PM88%(17 flights)
  • 12–3 PM93%(15 flights)
  • 3–6 PM62%(55 flights)
  • 6–9 PM68%(106 flights)
On-time trend by month
89%
May

Jun 90% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%10
July 202568%19
August 2025100%14
September 202572%18
October 202558%24
November 202577%22
December 202564%25
January 202670%27
February 202685%26
March 202669%45
April 202668%25
May 202689%27
Departures on time
79%
Diverted
0%
Flights flown
282
Months covered
12

Based on 309 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.