UA 2039 then AA 3176 at LAX
Las Vegas → Los Angeles → San Francisco
Timetable, Los Angeles time
07:17UA 2039 from Las Vegas at the gate
22:04AA 3176 to San Francisco leaves the gate
14 h 47 apart on the timetable
AA 3176 leaves 14 h 47 after UA 2039 arrives on the timetable: more than half a day, so not a connection we count.