AA 552 then DL 2735 at Atlanta
Dallas-Fort Worth → Atlanta → Hartford
Timetable, Atlanta time
16:17AA 552 from Dallas-Fort Worth at the gate
15:40DL 2735 to Hartford leaves the gate
23 h 23 apart on the timetable, overnight
DL 2735 leaves 23 h 23 after AA 552 arrives on the timetable: more than half a day, so not a connection we count.