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Flight Reliability

DL 3786 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3786 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

95%
Arrive within 15 minutes
5 min early
Average arrival delay
1.8%
Cancelled
9 min early
Median arrival delay

Based on 602 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon92%(92 flights)
  • Tue93%(88 flights)
  • Wed98%(83 flights)
  • Thu98%(82 flights)
  • Fri96%(89 flights)
  • Sat91%(64 flights)
  • Sun94%(90 flights)
On-time by departure window
  • 6–9 AM93%(322 flights)
  • 9 AM–12 PM96%(266 flights)
On-time trend by month
100%
May

Jun 96% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202596%46
July 202590%60
August 202598%62
September 2025100%46
October 202593%61
November 202598%49
December 202598%56
January 202673%30
February 202682%27
March 202694%49
April 202698%52
May 2026100%50
Departures on time
96%
Diverted
0.5%
Flights flown
588
Months covered
12

Keep nerding

Based on 602 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.