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Flight Reliability

DL 4924 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 4924 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

87%
Arrive within 15 minutes
4 min early
Average arrival delay
1.7%
Cancelled
11 min early
Median arrival delay

Based on 482 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(71 flights)
  • Tue89%(72 flights)
  • Wed89%(73 flights)
  • Thu90%(72 flights)
  • Fri86%(71 flights)
  • Sat85%(48 flights)
  • Sun86%(66 flights)
On-time by departure window
  • 6–9 AM91%(156 flights)
  • 9 AM–12 PM85%(294 flights)
  • 12–3 PM—(3 flights)
  • 3–6 PM82%(17 flights)
  • 6–9 PM—(3 flights)
On-time trend by month
77%
May

Jun 91% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%43
July 202587%60
August 202594%62
September 202588%56
October 202590%62
November 202591%32
January 202694%18
February 2026100%19
March 202664%22
April 202686%44
May 202677%52
Departures on time
89%
Diverted
0.2%
Flights flown
473
Months covered
12

Keep nerding

Based on 482 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.