AA 3178 then UA 5901 at O'Hare
Charlotte → Chicago → Fort Wayne
Timetable, Chicago time
17:29AA 3178 from Charlotte at the gate
16:10UA 5901 to Fort Wayne leaves the gate
22 h 41 apart on the timetable, overnight
UA 5901 leaves 22 h 41 after AA 3178 arrives on the timetable: more than half a day, so not a connection we count.