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Flight Reliability

DL 4283 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 4283 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

85%
Arrive within 15 minutes
3 min
Average arrival delay
0.7%
Cancelled
13 min early
Median arrival delay

Based on 727 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(104 flights)
  • Tue95%(104 flights)
  • Wed79%(104 flights)
  • Thu85%(101 flights)
  • Fri82%(104 flights)
  • Sat85%(104 flights)
  • Sun82%(101 flights)
On-time by departure window
  • 9 AM–12 PM—(3 flights)
  • 12–3 PM86%(681 flights)
  • 3–6 PM76%(38 flights)
On-time trend by month
95%
May

Jun 91% → May 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%58
July 202582%62
August 202589%62
September 202593%60
October 202590%62
November 202590%58
December 202562%61
January 202667%61
February 202679%56
March 202690%60
April 202688%60
May 202695%62
Departures on time
85%
Diverted
0%
Flights flown
722
Months covered
12

Keep nerding

Based on 727 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.