AA 4504 then UA 2287 at O'Hare
South Bend → Chicago → Sarasota
Timetable, Chicago time
18:35AA 4504 from South Bend at the gate
11:44UA 2287 to Sarasota leaves the gate
17 h 09 apart on the timetable, overnight
UA 2287 leaves 17 h 09 after AA 4504 arrives on the timetable: more than half a day, so not a connection we count.