K4 221 then B6 112 at O'Hare
Anchorage → Chicago → Boston
Timetable, Chicago time
13:41K4 221 from Anchorage at the gate
13:00B6 112 to Boston leaves the gate
23 h 19 apart on the timetable, overnight
B6 112 leaves 23 h 19 after K4 221 arrives on the timetable: more than half a day, so not a connection we count.