K4 601 then AA 1632 at O'Hare
Anchorage → Chicago → Tucson
Timetable, Chicago time
02:16K4 601 from Anchorage at the gate
20:56AA 1632 to Tucson leaves the gate
18 h 40 apart on the timetable
AA 1632 leaves 18 h 40 after K4 601 arrives on the timetable: more than half a day, so not a connection we count.