UA 1341 then AA 948 at San Francisco
Detroit → San Francisco → Chicago O'Hare
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
14:32AA 948 to Chicago O'Hare leaves the gate
19 h 01 apart on the timetable, overnight
AA 948 leaves 19 h 01 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.