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WanderNerd

Flight Reliability

DL 844 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 844 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

90%
Arrive within 15 minutes
5 min early
Average arrival delay
1.7%
Cancelled
11 min early
Median arrival delay

Based on 350 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(52 flights)
  • Tue98%(49 flights)
  • Wed92%(47 flights)
  • Thu100%(51 flights)
  • Fri85%(52 flights)
  • Sat91%(44 flights)
  • Sun84%(49 flights)
On-time by departure window
  • 9 AM–12 PM90%(210 flights)
  • 12–3 PM87%(52 flights)
  • 3–6 PM88%(32 flights)
  • 6–9 PM(4 flights)
  • 9 PM–12 AM96%(46 flights)
On-time trend by month
88%
May

Jun 85% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%27
July 202590%31
August 202581%31
September 202593%30
October 2025100%31
November 202597%29
December 202581%43
January 202693%30
February 202694%18
March 2026100%10
April 202691%22
May 202688%42
Departures on time
91%
Diverted
0%
Flights flown
344
Months covered
12

Based on 350 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.