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Flight Reliability

DL 5304 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5304 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

82%
Arrive within 15 minutes
4 min
Average arrival delay
1.5%
Cancelled
8 min early
Median arrival delay

Based on 676 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(94 flights)
  • Tue79%(98 flights)
  • Wed91%(98 flights)
  • Thu87%(98 flights)
  • Fri82%(99 flights)
  • Sat76%(74 flights)
  • Sun79%(102 flights)
On-time by departure window
  • 6–9 AM85%(199 flights)
  • 9 AM–12 PM81%(434 flights)
  • 12–3 PM69%(16 flights)
  • 3–6 PM86%(14 flights)
On-time trend by month
87%
May

Jun 83% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%54
July 202587%52
August 202583%40
September 202588%42
October 202597%62
November 202584%55
December 202579%61
January 202664%59
February 202680%56
March 202673%60
April 202680%60
May 202687%62
Departures on time
83%
Diverted
0.4%
Flights flown
663
Months covered
12

Keep nerding

Based on 676 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.