UA 3762 then AA 648 at O'Hare
Manhattan → Chicago → Fort Myers
Timetable, Chicago time
22:41UA 3762 from Manhattan at the gate
18:50AA 648 to Fort Myers leaves the gate
20 h 09 apart on the timetable, overnight
AA 648 leaves 20 h 09 after UA 3762 arrives on the timetable: more than half a day, so not a connection we count.