AA 3390 then UA 1301 at O'Hare
Greensboro → Chicago → New York LaGuardia
Timetable, Chicago time
21:13AA 3390 from Greensboro at the gate
20:10UA 1301 to New York LaGuardia leaves the gate
22 h 57 apart on the timetable, overnight
UA 1301 leaves 22 h 57 after AA 3390 arrives on the timetable: more than half a day, so not a connection we count.