DL 3840 then DL 9969 at Atlanta
Aspen → Atlanta → Detroit
Timetable, Atlanta time
12:55DL 3840 from Aspen at the gate
23:01DL 9969 to Detroit leaves the gate
10 h 06 apart on the timetable
The last days
DL 3840 and DL 9969 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.
Later flights to Detroit
No later flight to Detroit on the timetable.