UA 1341 then QF 3772 at San Francisco
Detroit → San Francisco → Los Angeles
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
16:46QF 3772 to Los Angeles leaves the gate
21 h 15 apart on the timetable, overnight
QF 3772 leaves 21 h 15 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.