UA 5193 then AA 4613 at O'Hare
Detroit → Chicago → Memphis
Timetable, Chicago time
06:00UA 5193 from Detroit at the gate
22:03AA 4613 to Memphis leaves the gate
16 h 03 apart on the timetable
AA 4613 leaves 16 h 03 after UA 5193 arrives on the timetable: more than half a day, so not a connection we count.