CV 21 then AA 1632 at O'Hare
Anchorage → Chicago → Tucson
Timetable, Chicago time
01:25CV 21 from Anchorage at the gate
20:56AA 1632 to Tucson leaves the gate
19 h 31 apart on the timetable
AA 1632 leaves 19 h 31 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.