AA 440 then UA 5615 at O'Hare
Houston → Chicago → Albany (New York)
Timetable, Chicago time
14:29AA 440 from Houston at the gate
11:59UA 5615 to Albany (New York) leaves the gate
21 h 30 apart on the timetable, overnight
UA 5615 leaves 21 h 30 after AA 440 arrives on the timetable: more than half a day, so not a connection we count.