BA 6447 then UA 1885 at San Francisco
Los Angeles → San Francisco → Detroit
Timetable, San Francisco time
18:10BA 6447 from Los Angeles at the gate
08:26UA 1885 to Detroit leaves the gate
14 h 16 apart on the timetable, overnight
UA 1885 leaves 14 h 16 after BA 6447 arrives on the timetable: more than half a day, so not a connection we count.