AN 4 then UA 820 at LAX
Phoenix → Los Angeles → Hong Kong
Timetable, Los Angeles time
10:49AN 4 from Phoenix at the gate
22:50UA 820 to Hong Kong leaves the gate
12 h 01 apart on the timetable
UA 820 leaves 12 h 01 after AN 4 arrives on the timetable: more than half a day, so not a connection we count.