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Flight Reliability

DL 5179 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5179 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
0 min
Average arrival delay
2.2%
Cancelled
10 min early
Median arrival delay

Based on 465 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(68 flights)
  • Tue91%(63 flights)
  • Wed91%(64 flights)
  • Thu87%(71 flights)
  • Fri91%(67 flights)
  • Sat93%(57 flights)
  • Sun81%(64 flights)
On-time by departure window
  • 6–9 AM90%(239 flights)
  • 9 AM–12 PM89%(150 flights)
  • 12–3 PM73%(22 flights)
  • 6–9 PM65%(43 flights)
On-time trend by month
74%
May

Jun 92% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%60
July 202593%58
August 202596%22
September 2025100%22
October 202597%30
November 202586%29
December 202579%28
January 202683%54
February 2026100%54
March 202659%27
April 202667%24
May 202674%46
Departures on time
88%
Diverted
0.2%
Flights flown
454
Months covered
12

Keep nerding

Based on 465 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.