CK 221 then UA 2303 at LAX
Shanghai → Los Angeles → Newark
Timetable, Los Angeles time
10:00CK 221 from Shanghai at the gate
23:00UA 2303 to Newark leaves the gate
13 h apart on the timetable
UA 2303 leaves 13 h after CK 221 arrives on the timetable: more than half a day, so not a connection we count.