DL 5167 then UA 4749 at Detroit
Indianapolis → Detroit → Chicago O'Hare
Timetable, Detroit time
11:37DL 5167 from Indianapolis at the gate
10:48UA 4749 to Chicago O'Hare leaves the gate
23 h 11 apart on the timetable, overnight
UA 4749 leaves 23 h 11 after DL 5167 arrives on the timetable: more than half a day, so not a connection we count.