DL 2104 then DL 1892 at Atlanta
Austin → Atlanta → Chattanooga
Timetable, Atlanta time
18:19DL 2104 from Austin at the gate
14:30DL 1892 to Chattanooga leaves the gate
20 h 11 apart on the timetable, overnight
DL 1892 leaves 20 h 11 after DL 2104 arrives on the timetable: more than half a day, so not a connection we count.