K4 551 then AA 3442 at O'Hare
Anchorage → Chicago → Richmond
Timetable, Chicago time
16:28K4 551 from Anchorage at the gate
13:29AA 3442 to Richmond leaves the gate
21 h 01 apart on the timetable, overnight
AA 3442 leaves 21 h 01 after K4 551 arrives on the timetable: more than half a day, so not a connection we count.