DL 2799 then DL 1892 at Atlanta
Baltimore → Atlanta → Chattanooga
Timetable, Atlanta time
18:49DL 2799 from Baltimore at the gate
14:30DL 1892 to Chattanooga leaves the gate
19 h 41 apart on the timetable, overnight
DL 1892 leaves 19 h 41 after DL 2799 arrives on the timetable: more than half a day, so not a connection we count.