UA 1341 then GF 4166 at San Francisco
Detroit → San Francisco → Los Angeles
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
16:10GF 4166 to Los Angeles leaves the gatealso BA 6507
20 h 39 apart on the timetable, overnight
GF 4166 leaves 20 h 39 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.