AA 9928 then B6 1012 at O'Hare
New York LaGuardia → Chicago → Boston
Timetable, Chicago time
06:45AA 9928 from New York LaGuardia at the gate
20:15B6 1012 to Boston leaves the gate
13 h 30 apart on the timetable
B6 1012 leaves 13 h 30 after AA 9928 arrives on the timetable: more than half a day, so not a connection we count.