UA 5211 then AA 3176 at LAX
Redding → Los Angeles → San Francisco
Timetable, Los Angeles time
09:23UA 5211 from Redding at the gate
22:04AA 3176 to San Francisco leaves the gate
12 h 41 apart on the timetable
AA 3176 leaves 12 h 41 after UA 5211 arrives on the timetable: more than half a day, so not a connection we count.