DL 1012 then DL 5470 at Atlanta
Memphis → Atlanta → Chattanooga
Timetable, Atlanta time
12:54DL 1012 from Memphis at the gate
17:51DL 5470 to Chattanooga leaves the gate
4 h 57 apart on the timetable
The last days
DL 1012 and DL 5470 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.