UA 33 then SQ 7447 at LAX
Tokyo Narita → Los Angeles → Sydney
Timetable, Los Angeles time
10:35UA 33 from Tokyo Narita at the gate
10:05SQ 7447 to Sydney leaves the gate
23 h 30 apart on the timetable, overnight
SQ 7447 leaves 23 h 30 after UA 33 arrives on the timetable: more than half a day, so not a connection we count.