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Flight Reliability

DL 4112 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 4112 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

88%
Arrive within 15 minutes
1 min early
Average arrival delay
2.4%
Cancelled
9 min early
Median arrival delay

Based on 587 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon93%(88 flights)
  • Tue87%(84 flights)
  • Wed85%(79 flights)
  • Thu89%(83 flights)
  • Fri91%(80 flights)
  • Sat94%(70 flights)
  • Sun79%(87 flights)
On-time by departure window
  • 9 AM–12 PM96%(243 flights)
  • 12–3 PM93%(243 flights)
  • 3–6 PM39%(33 flights)
  • 6–9 PM60%(52 flights)
On-time trend by month
95%
May

Jun 95% → May 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202595%60
July 202589%62
August 202598%62
September 2025100%48
October 202597%62
November 202594%48
December 202595%59
January 202687%37
March 202629%42
April 202672%36
May 202695%55
Departures on time
87%
Diverted
0.3%
Flights flown
571
Months covered
11

Keep nerding

Based on 587 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.