AA 4782 then B6 1397 at Boston
Buffalo → Boston → Atlanta
Timetable, Boston time
12:07AA 4782 from Buffalo at the gate
12:03B6 1397 to Atlanta leaves the gate
23 h 56 apart on the timetable, overnight
B6 1397 leaves 23 h 56 after AA 4782 arrives on the timetable: more than half a day, so not a connection we count.