DL 1605 then DL 4640 at Detroit
Fort Lauderdale → Detroit → Pittsburgh
Timetable, Detroit time
15:54DL 1605 from Fort Lauderdale at the gate
14:10DL 4640 to Pittsburgh leaves the gate
22 h 16 apart on the timetable, overnight
DL 4640 leaves 22 h 16 after DL 1605 arrives on the timetable: more than half a day, so not a connection we count.