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WanderNerd

Flight Reliability

DL 845 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 845 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
4 min
Average arrival delay
0.5%
Cancelled
8 min early
Median arrival delay

Based on 413 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(65 flights)
  • Tue84%(55 flights)
  • Wed78%(55 flights)
  • Thu94%(64 flights)
  • Fri80%(64 flights)
  • Sat81%(47 flights)
  • Sun84%(61 flights)
On-time by departure window
  • 6–9 AM84%(25 flights)
  • 9 AM–12 PM84%(167 flights)
  • 12–3 PM85%(13 flights)
  • 3–6 PM80%(116 flights)
  • 6–9 PM83%(24 flights)
  • 9 PM–12 AM85%(66 flights)
On-time trend by month
76%
May

Jul 79% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202579%58
August 202582%54
September 202589%18
October 202596%25
November 202579%24
December 202577%13
January 202688%40
February 202679%48
March 202688%58
April 202689%18
May 202676%46
Departures on time
82%
Diverted
0%
Flights flown
411
Months covered
12

Based on 413 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.