CA 3103 then AA 2456 at O'Hare
Anchorage → Chicago → Boston
Timetable, Chicago time
15:07CA 3103 from Anchorage at the gate
14:30AA 2456 to Boston leaves the gate
23 h 23 apart on the timetable, overnight
AA 2456 leaves 23 h 23 after CA 3103 arrives on the timetable: more than half a day, so not a connection we count.