UA 2212 then AA 3176 at LAX
NZY → Los Angeles → San Francisco
Timetable, Los Angeles time
17:50UA 2212 from NZY at the gate
12:37AA 3176 to San Francisco leaves the gate
18 h 47 apart on the timetable, overnight
AA 3176 leaves 18 h 47 after UA 2212 arrives on the timetable: more than half a day, so not a connection we count.