ET 3608 then AA 2746 at O'Hare
Anchorage → Chicago → New York LaGuardia
Timetable, Chicago time
07:16ET 3608 from Anchorage at the gate
20:00AA 2746 to New York LaGuardia leaves the gate
12 h 44 apart on the timetable
AA 2746 leaves 12 h 44 after ET 3608 arrives on the timetable: more than half a day, so not a connection we count.