UA 5197 then AA 3785 at O'Hare
Albany (New York) → Chicago → Allentown
Timetable, Chicago time
15:45UA 5197 from Albany (New York) at the gate
14:35AA 3785 to Allentown leaves the gate
22 h 50 apart on the timetable, overnight
AA 3785 leaves 22 h 50 after UA 5197 arrives on the timetable: more than half a day, so not a connection we count.