Y8 7453 then AA 3707 at O'Hare
Anchorage → Chicago → La Crosse
Timetable, Chicago time
04:37Y8 7453 from Anchorage at the gate
22:40AA 3707 to La Crosse leaves the gate
18 h 03 apart on the timetable
AA 3707 leaves 18 h 03 after Y8 7453 arrives on the timetable: more than half a day, so not a connection we count.