UA 3772 then AA 1194 at San Francisco
Las Vegas → San Francisco → Miami
Timetable, San Francisco time
22:05UA 3772 from Las Vegas at the gate
21:35AA 1194 to Miami leaves the gatealso QF 4559, FJ 5038
23 h 30 apart on the timetable, overnight
AA 1194 leaves 23 h 30 after UA 3772 arrives on the timetable: more than half a day, so not a connection we count.