BR 608 then AA 3634 at O'Hare
Anchorage → Chicago → La Crosse
Timetable, Chicago time
20:03BR 608 from Anchorage at the gate
10:30AA 3634 to La Crosse leaves the gate
14 h 27 apart on the timetable, overnight
AA 3634 leaves 14 h 27 after BR 608 arrives on the timetable: more than half a day, so not a connection we count.