BR 646 then AA 819 at O'Hare
Anchorage → Chicago → New York JFK
Timetable, Chicago time
10:40BR 646 from Anchorage at the gate
10:34AA 819 to New York JFK leaves the gate
23 h 54 apart on the timetable, overnight
AA 819 leaves 23 h 54 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.