AA 2040 then O3 384 at LAX
Phoenix → Los Angeles → Shenzhen
Timetable, Los Angeles time
12:16AA 2040 from Phoenix at the gate
04:20O3 384 to Shenzhen leaves the gate
16 h 04 apart on the timetable, overnight
O3 384 leaves 16 h 04 after AA 2040 arrives on the timetable: more than half a day, so not a connection we count.