AA 821 then QF 3772 at San Francisco
Chicago O'Hare → San Francisco → Los Angeles
Timetable, San Francisco time
18:14AA 821 from Chicago O'Hare at the gatealso QF 4642
16:46QF 3772 to Los Angeles leaves the gate
22 h 32 apart on the timetable, overnight
QF 3772 leaves 22 h 32 after AA 821 arrives on the timetable: more than half a day, so not a connection we count.