VA 8576 then B6 978 at San Francisco
Las Vegas → San Francisco → Fort Lauderdale
Timetable, San Francisco time
19:03VA 8576 from Las Vegas at the gate
13:20B6 978 to Fort Lauderdale leaves the gate
18 h 17 apart on the timetable, overnight
B6 978 leaves 18 h 17 after VA 8576 arrives on the timetable: more than half a day, so not a connection we count.