CX 3280 then UA 198 at LAX
Anchorage → Los Angeles → Shanghai
Timetable, Los Angeles time
15:28CX 3280 from Anchorage at the gate
12:45UA 198 to Shanghai leaves the gate
21 h 17 apart on the timetable, overnight
UA 198 leaves 21 h 17 after CX 3280 arrives on the timetable: more than half a day, so not a connection we count.