BR 646 then UA 2816 at O'Hare
Anchorage → Chicago → Raleigh-Durham
Timetable, Chicago time
17:10BR 646 from Anchorage at the gate
12:50UA 2816 to Raleigh-Durham leaves the gate
19 h 40 apart on the timetable, overnight
UA 2816 leaves 19 h 40 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.