AA 3974 then AA 6271 at O'Hare
Harrisburg → Chicago → Albany (New York)
Timetable, Chicago time
15:34AA 3974 from Harrisburg at the gate
15:30AA 6271 to Albany (New York) leaves the gate
23 h 56 apart on the timetable, overnight
AA 6271 leaves 23 h 56 after AA 3974 arrives on the timetable: more than half a day, so not a connection we count.