Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 412 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 412 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
6 min early
Average arrival delay
0.8%
Cancelled
17 min early
Median arrival delay

Based on 374 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(52 flights)
  • Tue85%(53 flights)
  • Wed85%(53 flights)
  • Thu92%(52 flights)
  • Fri82%(51 flights)
  • Sat86%(56 flights)
  • Sun85%(53 flights)
On-time by departure window
  • 6–9 AM93%(191 flights)
  • 9 AM–12 PM85%(26 flights)
  • 12–3 PM75%(85 flights)
  • 3–6 PM82%(11 flights)
  • 6–9 PM38%(21 flights)
  • 9 PM–12 AM92%(36 flights)
On-time trend by month
83%
May

Jun 95% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202595%37
July 202593%30
August 202590%31
September 202593%30
October 2025100%31
November 202589%28
December 202575%32
January 202674%31
February 202673%30
March 202684%32
April 202664%28
May 202683%30
Departures on time
86%
Diverted
0.3%
Flights flown
370
Months covered
12

Keep nerding

Based on 374 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.