BR 620 then UA 1754 at LAX
Taipei → Los Angeles → Chicago O'Hare
Timetable, Los Angeles time
01:37BR 620 from Taipei at the gate
18:47UA 1754 to Chicago O'Hare leaves the gate
17 h 10 apart on the timetable
UA 1754 leaves 17 h 10 after BR 620 arrives on the timetable: more than half a day, so not a connection we count.