DL 5903 then UA 3671 at Charlotte
Indianapolis → Charlotte → Chicago O'Hare
Timetable, Charlotte time
17:30DL 5903 from Indianapolis at the gate
15:30UA 3671 to Chicago O'Hare leaves the gate
22 h apart on the timetable, overnight
UA 3671 leaves 22 h after DL 5903 arrives on the timetable: more than half a day, so not a connection we count.