DL 3951 then O3 384 at LAX
Phoenix Sky Harbor → Los Angeles → Shenzhen
Timetable, Los Angeles time
14:29DL 3951 from Phoenix Sky Harbor at the gate
04:42O3 384 to Shenzhen leaves the gate
14 h 13 apart on the timetable, overnight
O3 384 leaves 14 h 13 after DL 3951 arrives on the timetable: more than half a day, so not a connection we count.