K4 523 then AA 4271 at O'Hare
Anchorage → Chicago → Allentown
Timetable, Chicago time
20:33K4 523 from Anchorage at the gate
19:49AA 4271 to Allentown leaves the gate
23 h 16 apart on the timetable, overnight
AA 4271 leaves 23 h 16 after K4 523 arrives on the timetable: more than half a day, so not a connection we count.