DL 503 then DL 956 at Atlanta
Detroit → Atlanta → Denver
Timetable, Atlanta time
11:27DL 503 from Detroit at the gate
21:52DL 956 to Denver leaves the gate
10 h 25 apart on the timetable
The last days
DL 503 and DL 956 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 Denver
No later flight to Denver on the timetable.