CA 3103 then UA 2296 at O'Hare
Anchorage → Chicago → Boston
Timetable, Chicago time
08:54CA 3103 from Anchorage at the gate
21:20UA 2296 to Boston leaves the gate
12 h 26 apart on the timetable
UA 2296 leaves 12 h 26 after CA 3103 arrives on the timetable: more than half a day, so not a connection we count.