DL 1605 then WN 645 at Detroit
Fort Lauderdale → Detroit → Las Vegas
Timetable, Detroit time
15:54DL 1605 from Fort Lauderdale at the gate
13:25WN 645 to Las Vegas leaves the gate
21 h 31 apart on the timetable, overnight
WN 645 leaves 21 h 31 after DL 1605 arrives on the timetable: more than half a day, so not a connection we count.