DL 5291 then DL 2504 at Atlanta
Augusta → Atlanta → Hartford
Timetable, Atlanta time
06:32DL 5291 from Augusta at the gate
18:59DL 2504 to Hartford leaves the gate
12 h 27 apart on the timetable
DL 2504 leaves 12 h 27 after DL 5291 arrives on the timetable: more than half a day, so not a connection we count.