F9 4076 then DL 2735 at Atlanta
Houston → Atlanta → Hartford
Timetable, Atlanta time
15:44F9 4076 from Houston at the gate
15:40DL 2735 to Hartford leaves the gate
23 h 56 apart on the timetable, overnight
DL 2735 leaves 23 h 56 after F9 4076 arrives on the timetable: more than half a day, so not a connection we count.