BR 620 then AA 1522 at LAX
Taipei → Los Angeles → Las Vegas
Timetable, Los Angeles time
01:37BR 620 from Taipei at the gate
15:35AA 1522 to Las Vegas leaves the gate
13 h 58 apart on the timetable
AA 1522 leaves 13 h 58 after BR 620 arrives on the timetable: more than half a day, so not a connection we count.