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Flight Reliability

DL 3779 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3779 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

85%
Arrive within 15 minutes
6 min
Average arrival delay
0.8%
Cancelled
9 min early
Median arrival delay

Based on 375 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(54 flights)
  • Tue83%(54 flights)
  • Wed91%(54 flights)
  • Thu90%(50 flights)
  • Fri84%(51 flights)
  • Sat79%(53 flights)
  • Sun85%(54 flights)
On-time by departure window
  • 6–9 AM89%(35 flights)
  • 9 AM–12 PM87%(231 flights)
  • 12–3 PM77%(35 flights)
  • 3–6 PM83%(12 flights)
  • 6–9 PM81%(57 flights)
On-time trend by month
81%
May

Jun 100% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%14
July 202592%24
August 202580%10
November 202595%21
December 202574%31
January 202669%54
February 202688%56
March 202689%61
April 202695%60
May 202681%37
Departures on time
87%
Diverted
0.5%
Flights flown
370
Months covered
12

Keep nerding

Based on 375 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.