K4 523 then AA 90 at O'Hare
Anchorage → Chicago → London
Timetable, Chicago time
20:33K4 523 from Anchorage at the gate
20:30AA 90 to London leaves the gate
23 h 57 apart on the timetable, overnight
AA 90 leaves 23 h 57 after K4 523 arrives on the timetable: more than half a day, so not a connection we count.