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Flight Reliability

DL 3789 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3789 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
0 min
Average arrival delay
0.2%
Cancelled
9 min early
Median arrival delay

Based on 469 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(68 flights)
  • Tue87%(67 flights)
  • Wed93%(67 flights)
  • Thu87%(67 flights)
  • Fri83%(66 flights)
  • Sat80%(66 flights)
  • Sun90%(67 flights)
On-time by departure window
  • 6–9 AM87%(15 flights)
  • 9 AM–12 PM83%(289 flights)
  • 12–3 PM89%(140 flights)
  • 3–6 PM96%(24 flights)
On-time trend by month
92%
May

Jun 87% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202581%31
August 202577%31
September 202583%30
October 202577%31
November 202590%30
December 202583%30
January 202686%51
February 202682%56
March 202690%38
April 202694%48
May 202692%62
Departures on time
87%
Diverted
0%
Flights flown
468
Months covered
12

Keep nerding

Based on 469 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.