B6 150 then AA 3748 at Boston
Savannah → Boston → Washington National
Timetable, Boston time
18:41B6 150 from Savannah at the gate
07:30AA 3748 to Washington National leaves the gate
12 h 49 apart on the timetable, overnight
AA 3748 leaves 12 h 49 after B6 150 arrives on the timetable: more than half a day, so not a connection we count.