CX 80 then DL 2943 at O'Hare
Anchorage → Chicago → New York LaGuardia
Timetable, Chicago time
17:00CX 80 from Anchorage at the gate
14:37DL 2943 to New York LaGuardia leaves the gate
21 h 37 apart on the timetable, overnight
DL 2943 leaves 21 h 37 after CX 80 arrives on the timetable: more than half a day, so not a connection we count.