DL 3122 then DL 1027 at Atlanta
Pittsburgh → Atlanta → Burlington
Timetable, Atlanta time
22:00DL 3122 from Pittsburgh at the gate
21:49DL 1027 to Burlington leaves the gate
23 h 49 apart on the timetable, overnight
DL 1027 leaves 23 h 49 after DL 3122 arrives on the timetable: more than half a day, so not a connection we count.