CA 1011 then DL 2503 at O'Hare
Anchorage → Chicago → New York LaGuardia
Timetable, Chicago time
04:54CA 1011 from Anchorage at the gate
20:25DL 2503 to New York LaGuardia leaves the gate
15 h 31 apart on the timetable
DL 2503 leaves 15 h 31 after CA 1011 arrives on the timetable: more than half a day, so not a connection we count.