AA 9828 then UA 5901 at O'Hare
South Bend → Chicago → Fort Wayne
Timetable, Chicago time
17:25AA 9828 from South Bend at the gate
16:10UA 5901 to Fort Wayne leaves the gate
22 h 45 apart on the timetable, overnight
UA 5901 leaves 22 h 45 after AA 9828 arrives on the timetable: more than half a day, so not a connection we count.