CV 21 then DL 1827 at O'Hare
Anchorage → Chicago → New York LaGuardia
Timetable, Chicago time
01:25CV 21 from Anchorage at the gate
17:40DL 1827 to New York LaGuardia leaves the gate
16 h 15 apart on the timetable
DL 1827 leaves 16 h 15 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.