K4 601 then B6 1012 at O'Hare
Anchorage → Chicago → Boston
Timetable, Chicago time
03:10K4 601 from Anchorage at the gate
20:15B6 1012 to Boston leaves the gate
17 h 05 apart on the timetable
B6 1012 leaves 17 h 05 after K4 601 arrives on the timetable: more than half a day, so not a connection we count.