AA 542 then AA 4984 at O'Hare
Washington National → Chicago → Albany (New York)
Timetable, Chicago time
19:56AA 542 from Washington National at the gate
19:52AA 4984 to Albany (New York) leaves the gate
23 h 56 apart on the timetable, overnight
AA 4984 leaves 23 h 56 after AA 542 arrives on the timetable: more than half a day, so not a connection we count.