BR 622 then DL 2551 at LAX
Taipei → Los Angeles → Portland (Oregon)
Timetable, Los Angeles time
22:22BR 622 from Taipei at the gate
13:57DL 2551 to Portland (Oregon) leaves the gate
15 h 35 apart on the timetable, overnight
DL 2551 leaves 15 h 35 after BR 622 arrives on the timetable: more than half a day, so not a connection we count.