B6 2040 then B6 1397 at Boston
Cleveland → Boston → Atlanta
Timetable, Boston time
12:04B6 2040 from Cleveland at the gate
12:03B6 1397 to Atlanta leaves the gate
23 h 59 apart on the timetable, overnight
B6 1397 leaves 23 h 59 after B6 2040 arrives on the timetable: more than half a day, so not a connection we count.