AA 4525 then FX 9791 at O'Hare
Madison → Chicago → Anchorage
Timetable, Chicago time
10:40AA 4525 from Madison at the gate
04:00FX 9791 to Anchorage leaves the gate
17 h 20 apart on the timetable, overnight
FX 9791 leaves 17 h 20 after AA 4525 arrives on the timetable: more than half a day, so not a connection we count.