BR 646 then UA 2296 at O'Hare
Anchorage → Chicago → Boston
Timetable, Chicago time
06:51BR 646 from Anchorage at the gate
21:20UA 2296 to Boston leaves the gate
14 h 29 apart on the timetable
UA 2296 leaves 14 h 29 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.