CV 21 then DL 1826 at O'Hare
Anchorage → Chicago → New York LaGuardia
Timetable, Chicago time
22:27CV 21 from Anchorage at the gate
19:20DL 1826 to New York LaGuardia leaves the gate
20 h 53 apart on the timetable, overnight
DL 1826 leaves 20 h 53 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.