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Flight Reliability

DL 408 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 408 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

71%
Arrive within 15 minutes
12 min
Average arrival delay
0.9%
Cancelled
4 min early
Median arrival delay

Based on 326 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(49 flights)
  • Tue71%(44 flights)
  • Wed75%(44 flights)
  • Thu71%(49 flights)
  • Fri67%(51 flights)
  • Sat90%(39 flights)
  • Sun59%(44 flights)
On-time by departure window
  • 9 AM–12 PM71%(184 flights)
  • 3–6 PM—(6 flights)
  • 6–9 PM72%(130 flights)
On-time trend by month
58%
May

Jun 75% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%24
July 202584%25
August 202574%31
September 202563%30
October 202555%31
November 202577%30
December 202561%28
January 202671%21
February 202667%21
March 202683%30
April 202680%30
May 202658%19
Departures on time
72%
Diverted
0.9%
Flights flown
320
Months covered
12

Keep nerding

Based on 326 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.