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Flight Reliability

DL 2179 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2179 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

86%
Arrive within 15 minutes
1 min
Average arrival delay
2.0%
Cancelled
8 min early
Median arrival delay

Based on 711 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(104 flights)
  • Tue87%(102 flights)
  • Wed92%(104 flights)
  • Thu89%(102 flights)
  • Fri80%(101 flights)
  • Sat85%(86 flights)
  • Sun80%(96 flights)
On-time by departure window
  • 9 AM–12 PM—(4 flights)
  • 12–3 PM86%(561 flights)
  • 3–6 PM84%(130 flights)
On-time trend by month
75%
May

Jun 75% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%59
July 202582%62
August 202589%62
September 202593%60
October 202592%61
November 202593%55
December 202579%58
January 202684%62
February 202692%48
March 202688%56
April 202686%56
May 202675%56
Departures on time
86%
Diverted
0.3%
Flights flown
695
Months covered
12

Keep nerding

Based on 711 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.