UA 6021 then AA 6429 at LAX
Sacramento → Los Angeles → San Francisco
Timetable, Los Angeles time
12:05UA 6021 from Sacramento at the gate
11:39AA 6429 to San Francisco leaves the gate
23 h 34 apart on the timetable, overnight
AA 6429 leaves 23 h 34 after UA 6021 arrives on the timetable: more than half a day, so not a connection we count.