AA 7638 then UA 2127 at San Francisco
Santa Ana → San Francisco → Los Angeles
Timetable, San Francisco time
14:01AA 7638 from Santa Ana at the gatealso QR 8882
05:50UA 2127 to Los Angeles leaves the gatealso VA 8546, NZ 9260
15 h 49 apart on the timetable, overnight
UA 2127 leaves 15 h 49 after AA 7638 arrives on the timetable: more than half a day, so not a connection we count.