AA 3344 then BR 643 at O'Hare
Appleton → Chicago → Anchorage
Timetable, Chicago time
12:48AA 3344 from Appleton at the gate
11:55BR 643 to Anchorage leaves the gate
23 h 07 apart on the timetable, overnight
BR 643 leaves 23 h 07 after AA 3344 arrives on the timetable: more than half a day, so not a connection we count.