BR 620 then UA 2679 at LAX
Taipei → Los Angeles → Las Vegas
Timetable, Los Angeles time
01:37BR 620 from Taipei at the gate
13:55UA 2679 to Las Vegas leaves the gate
12 h 18 apart on the timetable
UA 2679 leaves 12 h 18 after BR 620 arrives on the timetable: more than half a day, so not a connection we count.