DL 109 then DL 2735 at Atlanta
Madrid → Atlanta → Hartford
Timetable, Atlanta time
16:28DL 109 from Madrid at the gate
15:59DL 2735 to Hartford leaves the gate
23 h 31 apart on the timetable, overnight
DL 2735 leaves 23 h 31 after DL 109 arrives on the timetable: more than half a day, so not a connection we count.