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Flight Reliability

DL 1283 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1283 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

84%
Arrive within 15 minutes
6 min
Average arrival delay
1.7%
Cancelled
6 min early
Median arrival delay

Based on 362 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(52 flights)
  • Tue89%(52 flights)
  • Wed87%(52 flights)
  • Thu87%(52 flights)
  • Fri82%(50 flights)
  • Sat87%(47 flights)
  • Sun84%(51 flights)
On-time by departure window
  • 9 AM–12 PM89%(65 flights)
  • 12–3 PM83%(142 flights)
  • 6–9 PM—(4 flights)
  • 9 PM–12 AM83%(145 flights)
On-time trend by month
87%
May

Jun 86% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%28
July 202580%30
August 202594%31
September 202590%30
October 202594%31
November 202583%30
December 202573%30
January 202682%28
February 202686%28
March 202668%31
April 202690%29
May 202687%30
Departures on time
85%
Diverted
0%
Flights flown
356
Months covered
12

Keep nerding

Based on 362 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.