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Flight Reliability

DL 3781 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3781 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

94%
Arrive within 15 minutes
9 min early
Average arrival delay
1.4%
Cancelled
12 min early
Median arrival delay

Based on 282 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon95%(39 flights)
  • Tue97%(38 flights)
  • Wed90%(40 flights)
  • Thu97%(39 flights)
  • Fri94%(36 flights)
  • Sat95%(41 flights)
  • Sun90%(41 flights)
On-time by departure window
  • 6–9 AM98%(167 flights)
  • 9 AM–12 PM—(2 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM89%(104 flights)
On-time trend by month
100%
May

Jun 82% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%51
July 202595%60
December 2025100%12
January 202696%28
February 2026100%28
March 202697%30
April 202697%30
May 2026100%31
Departures on time
94%
Diverted
1.4%
Flights flown
274
Months covered
10

Keep nerding

Based on 282 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.