AA 4504 then UA 2294 at O'Hare
South Bend → Chicago → Orlando
Timetable, Chicago time
18:35AA 4504 from South Bend at the gate
17:45UA 2294 to Orlando leaves the gate
23 h 10 apart on the timetable, overnight
UA 2294 leaves 23 h 10 after AA 4504 arrives on the timetable: more than half a day, so not a connection we count.