BR 608 then B6 112 at O'Hare
Anchorage → Chicago → Boston
Timetable, Chicago time
20:03BR 608 from Anchorage at the gate
13:00B6 112 to Boston leaves the gate
16 h 57 apart on the timetable, overnight
B6 112 leaves 16 h 57 after BR 608 arrives on the timetable: more than half a day, so not a connection we count.