DL 5771 then UA 3536 at Detroit
Indianapolis → Detroit → Chicago O'Hare
Timetable, Detroit time
18:14DL 5771 from Indianapolis at the gate
12:35UA 3536 to Chicago O'Hare leaves the gate
18 h 21 apart on the timetable, overnight
UA 3536 leaves 18 h 21 after DL 5771 arrives on the timetable: more than half a day, so not a connection we count.