DL 5232 then UA 3536 at Detroit
Memphis → Detroit → Chicago O'Hare
Timetable, Detroit time
20:50DL 5232 from Memphis at the gate
12:35UA 3536 to Chicago O'Hare leaves the gate
15 h 45 apart on the timetable, overnight
UA 3536 leaves 15 h 45 after DL 5232 arrives on the timetable: more than half a day, so not a connection we count.