K4 601 then AA 1457 at O'Hare
Anchorage → Chicago → Boston
Timetable, Chicago time
03:10K4 601 from Anchorage at the gate
20:00AA 1457 to Boston leaves the gate
16 h 50 apart on the timetable
AA 1457 leaves 16 h 50 after K4 601 arrives on the timetable: more than half a day, so not a connection we count.