AM 4431 then AC 5432 at San Francisco
Los Angeles → San Francisco → Chicago O'Hare
Timetable, San Francisco time
23:21AM 4431 from Los Angeles at the gate
22:45AC 5432 to Chicago O'Hare leaves the gatealso NZ 9303
23 h 24 apart on the timetable, overnight
AC 5432 leaves 23 h 24 after AM 4431 arrives on the timetable: more than half a day, so not a connection we count.