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WanderNerd

Flight Reliability

DL 3889 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3889 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

69%
Arrive within 15 minutes
24 min
Average arrival delay
2.0%
Cancelled
4 min early
Median arrival delay

Based on 399 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon66%(61 flights)
  • Tue65%(62 flights)
  • Wed70%(64 flights)
  • Thu72%(64 flights)
  • Fri73%(56 flights)
  • Sat82%(22 flights)
  • Sun66%(62 flights)
On-time by departure window
  • 9 AM–12 PM(4 flights)
  • 12–3 PM(8 flights)
  • 3–6 PM68%(320 flights)
  • 9 PM–12 AM75%(59 flights)
On-time trend by month
74%
May

Jun 62% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%26
July 202566%29
August 202574%31
September 202595%19
October 202585%26
November 202554%24
December 202553%34
January 202685%27
February 202668%28
March 202645%47
April 202684%50
May 202674%50
Departures on time
72%
Diverted
0%
Flights flown
391
Months covered
12

Based on 399 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.