BR 646 then UA 1677 at O'Hare
Anchorage → Chicago → New York LaGuardia
Timetable, Chicago time
17:10BR 646 from Anchorage at the gate
17:00UA 1677 to New York LaGuardia leaves the gate
23 h 50 apart on the timetable, overnight
UA 1677 leaves 23 h 50 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.