AA 1622 then DL 1733 at Miami
Las Vegas → Miami → Detroit
Timetable, Miami time
06:13AA 1622 from Las Vegas at the gate
18:53DL 1733 to Detroit leaves the gate
12 h 40 apart on the timetable
DL 1733 leaves 12 h 40 after AA 1622 arrives on the timetable: more than half a day, so not a connection we count.