CV 12 then AA 2054 at O'Hare
Anchorage → Chicago → Boston
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
11:00AA 2054 to Boston leaves the gate
15 h 49 apart on the timetable, overnight
AA 2054 leaves 15 h 49 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.