CV 21 then AA 3635 at O'Hare
Anchorage → Chicago → La Crosse
Timetable, Chicago time
01:25CV 21 from Anchorage at the gate
16:50AA 3635 to La Crosse leaves the gate
15 h 25 apart on the timetable
AA 3635 leaves 15 h 25 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.