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Flight Reliability

DL 1079 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1079 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

80%
Arrive within 15 minutes
7 min
Average arrival delay
0.6%
Cancelled
2 min early
Median arrival delay

Based on 309 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(47 flights)
  • Tue85%(40 flights)
  • Wed78%(41 flights)
  • Thu80%(46 flights)
  • Fri78%(45 flights)
  • Sat87%(39 flights)
  • Sun77%(48 flights)
On-time by departure window
  • 6–9 AM90%(121 flights)
  • 12–3 PM100%(20 flights)
  • 3–6 PM67%(43 flights)
  • 6–9 PM72%(122 flights)
On-time trend by month
96%
May

Jun 62% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%29
July 202548%31
August 202581%31
September 202597%30
October 202583%18
November 202560%10
December 202542%12
January 202687%31
February 202693%28
March 202693%30
April 202690%30
May 202696%26
Departures on time
81%
Diverted
0.3%
Flights flown
306
Months covered
12

Keep nerding

Based on 309 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.