DL 502 then DL 2171 at Detroit
Las Vegas → Detroit → Fort Lauderdale
Timetable, Detroit time
06:07DL 502 from Las Vegas at the gate
18:58DL 2171 to Fort Lauderdale leaves the gate
12 h 51 apart on the timetable
DL 2171 leaves 12 h 51 after DL 502 arrives on the timetable: more than half a day, so not a connection we count.