BR 620 then UA 353 at LAX
Taipei → Los Angeles → Chicago O'Hare
Timetable, Los Angeles time
01:37BR 620 from Taipei at the gate
23:17UA 353 to Chicago O'Hare leaves the gate
21 h 40 apart on the timetable
UA 353 leaves 21 h 40 after BR 620 arrives on the timetable: more than half a day, so not a connection we count.