K4 523 then AA 438 at O'Hare
Anchorage → Chicago → Austin
Timetable, Chicago time
20:33K4 523 from Anchorage at the gate
19:45AA 438 to Austin leaves the gate
23 h 12 apart on the timetable, overnight
AA 438 leaves 23 h 12 after K4 523 arrives on the timetable: more than half a day, so not a connection we count.