UA 249 then AA 3176 at LAX
Washington → Los Angeles → San Francisco
Timetable, Los Angeles time
09:31UA 249 from Washington at the gate
22:04AA 3176 to San Francisco leaves the gate
12 h 33 apart on the timetable
AA 3176 leaves 12 h 33 after UA 249 arrives on the timetable: more than half a day, so not a connection we count.