K4 551 then B6 112 at O'Hare
Anchorage → Chicago → Boston
Timetable, Chicago time
16:28K4 551 from Anchorage at the gate
13:00B6 112 to Boston leaves the gate
20 h 32 apart on the timetable, overnight
B6 112 leaves 20 h 32 after K4 551 arrives on the timetable: more than half a day, so not a connection we count.