BR 646 then UA 3911 at O'Hare
Anchorage → Chicago → Newark
Timetable, Chicago time
17:10BR 646 from Anchorage at the gate
12:00UA 3911 to Newark leaves the gate
18 h 50 apart on the timetable, overnight
UA 3911 leaves 18 h 50 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.