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Flight Reliability

DL 3844 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3844 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

83%
Arrive within 15 minutes
8 min
Average arrival delay
1.3%
Cancelled
8 min early
Median arrival delay

Based on 477 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(71 flights)
  • Tue83%(69 flights)
  • Wed74%(68 flights)
  • Thu91%(68 flights)
  • Fri85%(67 flights)
  • Sat87%(60 flights)
  • Sun79%(67 flights)
On-time by departure window
  • 3–6 AM92%(64 flights)
  • 6–9 AM89%(167 flights)
  • 12–3 PM88%(17 flights)
  • 3–6 PM76%(222 flights)
On-time trend by month
97%
May

Jun 93% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202590%31
August 202582%45
September 202584%50
October 202579%61
November 202577%57
December 202569%48
January 202672%29
February 202696%28
March 202683%30
April 202697%30
May 202697%31
Departures on time
85%
Diverted
0.2%
Flights flown
470
Months covered
12

Keep nerding

Based on 477 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.