AA 6514 then UA 5201 at O'Hare
South Bend → Chicago → Milwaukee
Timetable, Chicago time
06:14AA 6514 from South Bend at the gate
20:00UA 5201 to Milwaukee leaves the gate
13 h 46 apart on the timetable
UA 5201 leaves 13 h 46 after AA 6514 arrives on the timetable: more than half a day, so not a connection we count.