K4 893 then AA 3239 at O'Hare
Anchorage → Chicago → Pittsburgh
Timetable, Chicago time
14:48K4 893 from Anchorage at the gate
12:29AA 3239 to Pittsburgh leaves the gate
21 h 41 apart on the timetable, overnight
AA 3239 leaves 21 h 41 after K4 893 arrives on the timetable: more than half a day, so not a connection we count.