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Flight Reliability

DL 4117 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 4117 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

75%
Arrive within 15 minutes
26 min
Average arrival delay
2.2%
Cancelled
4 min early
Median arrival delay

Based on 317 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(45 flights)
  • Tue91%(45 flights)
  • Wed65%(46 flights)
  • Thu78%(45 flights)
  • Fri71%(44 flights)
  • Sat80%(39 flights)
  • Sun74%(46 flights)
On-time by departure window
  • 6–9 AM77%(35 flights)
  • 12–3 PM87%(15 flights)
  • 6–9 PM56%(27 flights)
  • 9 PM–12 AM76%(233 flights)
On-time trend by month
84%
May

Jun 53% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202558%31
August 202574%31
September 202587%30
October 202590%31
November 202593%28
December 202570%30
January 202682%28
February 202664%11
March 202652%23
April 202683%12
May 202684%25
Departures on time
82%
Diverted
0%
Flights flown
310
Months covered
12

Keep nerding

Based on 317 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.