K4 523 then AA 3707 at O'Hare
Anchorage → Chicago → La Crosse
Timetable, Chicago time
10:13K4 523 from Anchorage at the gate
22:40AA 3707 to La Crosse leaves the gate
12 h 27 apart on the timetable
AA 3707 leaves 12 h 27 after K4 523 arrives on the timetable: more than half a day, so not a connection we count.