AA 2023 then FX 9791 at O'Hare
Washington National → Chicago → Anchorage
Timetable, Chicago time
12:52AA 2023 from Washington National at the gate
04:00FX 9791 to Anchorage leaves the gate
15 h 08 apart on the timetable, overnight
FX 9791 leaves 15 h 08 after AA 2023 arrives on the timetable: more than half a day, so not a connection we count.