AA 2403 then DL 1892 at Atlanta
Dallas-Fort Worth → Atlanta → Chattanooga
Timetable, Atlanta time
19:14AA 2403 from Dallas-Fort Worth at the gate
14:30DL 1892 to Chattanooga leaves the gate
19 h 16 apart on the timetable, overnight
DL 1892 leaves 19 h 16 after AA 2403 arrives on the timetable: more than half a day, so not a connection we count.