AA 642 then UA 2287 at O'Hare
Dallas-Fort Worth → Chicago → Sarasota
Timetable, Chicago time
13:10AA 642 from Dallas-Fort Worth at the gate
11:44UA 2287 to Sarasota leaves the gate
22 h 34 apart on the timetable, overnight
UA 2287 leaves 22 h 34 after AA 642 arrives on the timetable: more than half a day, so not a connection we count.