AA 3798 then BR 643 at O'Hare
Mosinee → Chicago → Anchorage
Timetable, Chicago time
13:17AA 3798 from Mosinee at the gate
11:55BR 643 to Anchorage leaves the gate
22 h 38 apart on the timetable, overnight
BR 643 leaves 22 h 38 after AA 3798 arrives on the timetable: more than half a day, so not a connection we count.