UA 1341 then AA 1732 at San Francisco
Detroit → San Francisco → Philadelphia
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
09:46AA 1732 to Philadelphia leaves the gatealso BA 5616
14 h 15 apart on the timetable, overnight
AA 1732 leaves 14 h 15 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.