DL 965 then DL 5442 at Atlanta
Detroit → Atlanta → Allentown
Timetable, Atlanta time
10:29DL 965 from Detroit at the gate
09:58DL 5442 to Allentown leaves the gate
23 h 29 apart on the timetable, overnight
DL 5442 leaves 23 h 29 after DL 965 arrives on the timetable: more than half a day, so not a connection we count.