AA 468 then UA 5615 at O'Hare
Philadelphia → Chicago → Albany (New York)
Timetable, Chicago time
14:20AA 468 from Philadelphia at the gate
11:59UA 5615 to Albany (New York) leaves the gate
21 h 39 apart on the timetable, overnight
UA 5615 leaves 21 h 39 after AA 468 arrives on the timetable: more than half a day, so not a connection we count.