UA 6104 then AA 3389 at O'Hare
South Bend → Chicago → Columbia Regional
Timetable, Chicago time
19:00UA 6104 from South Bend at the gate
08:14AA 3389 to Columbia Regional leaves the gate
13 h 14 apart on the timetable, overnight
AA 3389 leaves 13 h 14 after UA 6104 arrives on the timetable: more than half a day, so not a connection we count.