AA 522 then FX 9791 at O'Hare
Washington National → Chicago → Anchorage
Timetable, Chicago time
10:07AA 522 from Washington National at the gate
04:00FX 9791 to Anchorage leaves the gate
17 h 53 apart on the timetable, overnight
FX 9791 leaves 17 h 53 after AA 522 arrives on the timetable: more than half a day, so not a connection we count.