UA 1853 then QF 12 at LAX
Cleveland → Los Angeles → Sydney
Timetable, Los Angeles time
20:27UA 1853 from Cleveland at the gate
20:25QF 12 to Sydney leaves the gate
23 h 58 apart on the timetable, overnight
QF 12 leaves 23 h 58 after UA 1853 arrives on the timetable: more than half a day, so not a connection we count.