UA 643 then UA 1300 at San Francisco
Las Vegas → San Francisco → Fort Lauderdale
Timetable, San Francisco time
07:44UA 643 from Las Vegas at the gatealso AC 5211, NH 7315, VA 8122, NZ 9237
07:00UA 1300 to Fort Lauderdale leaves the gate
23 h 16 apart on the timetable, overnight
UA 1300 leaves 23 h 16 after UA 643 arrives on the timetable: more than half a day, so not a connection we count.