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WanderNerd

Flight Reliability

DL 2312 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2312 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

70%
Arrive within 15 minutes
17 min
Average arrival delay
5.0%
Cancelled
1 min early
Median arrival delay

Based on 664 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(96 flights)
  • Tue73%(86 flights)
  • Wed74%(87 flights)
  • Thu68%(97 flights)
  • Fri66%(96 flights)
  • Sat68%(75 flights)
  • Sun67%(88 flights)
On-time by departure window
  • 12–3 PM71%(317 flights)
  • 3–6 PM68%(281 flights)
  • 6–9 PM74%(27 flights)
On-time trend by month
90%
May

Jun 54% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%54
July 202552%52
August 202566%61
September 202582%60
October 202556%59
November 202580%54
December 202562%47
January 202685%41
February 202675%40
March 202653%53
April 202687%46
May 202690%58
Departures on time
67%
Diverted
0.9%
Flights flown
625
Months covered
12

Based on 664 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.