AA 3580 then FX 9791 at O'Hare
Louisville → Chicago → Anchorage
Timetable, Chicago time
13:30AA 3580 from Louisville at the gate
04:00FX 9791 to Anchorage leaves the gate
14 h 30 apart on the timetable, overnight
FX 9791 leaves 14 h 30 after AA 3580 arrives on the timetable: more than half a day, so not a connection we count.