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WanderNerd

Flight Reliability

DL 5412 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5412 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

60%
Arrive within 15 minutes
21 min
Average arrival delay
5.7%
Cancelled
0 min
Median arrival delay

Based on 122 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(15 flights)
  • Tue47%(17 flights)
  • Wed67%(18 flights)
  • Thu53%(17 flights)
  • Fri52%(21 flights)
  • Sat(5 flights)
  • Sun55%(20 flights)
On-time by departure window
  • 6–9 AM93%(15 flights)
  • 12–3 PM67%(15 flights)
  • 3–6 PM59%(44 flights)
  • 6–9 PM42%(33 flights)
  • 9 PM–12 AM(6 flights)
On-time trend by month
52%
Apr

Dec 65% → Apr 52% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
December 202565%31
January 202691%11
March 202647%36
April 202652%23
Departures on time
62%
Diverted
1.6%
Flights flown
113
Months covered
8

Based on 122 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.