DL 5903 then UA 3442 at Charlotte
Indianapolis → Charlotte → Chicago O'Hare
Timetable, Charlotte time
17:30DL 5903 from Indianapolis at the gate
12:37UA 3442 to Chicago O'Hare leaves the gate
19 h 07 apart on the timetable, overnight
UA 3442 leaves 19 h 07 after DL 5903 arrives on the timetable: more than half a day, so not a connection we count.