QR 2183 then SQ 1542 at San Francisco
Los Angeles → San Francisco → Fort Lauderdale
Timetable, San Francisco time
23:27QR 2183 from Los Angeles at the gatealso BA 6449
23:25SQ 1542 to Fort Lauderdale leaves the gatealso AD 7729
23 h 58 apart on the timetable, overnight
SQ 1542 leaves 23 h 58 after QR 2183 arrives on the timetable: more than half a day, so not a connection we count.