DL 980 then DL 726 at Atlanta
Bogota → Atlanta → Boston
Timetable, Atlanta time
14:02DL 980 from Bogota at the gate
13:50DL 726 to Boston leaves the gate
23 h 48 apart on the timetable, overnight
DL 726 leaves 23 h 48 after DL 980 arrives on the timetable: more than half a day, so not a connection we count.