AA 1141 then DL 1892 at Atlanta
Los Angeles → Atlanta → Chattanooga
Timetable, Atlanta time
16:58AA 1141 from Los Angeles at the gate
14:30DL 1892 to Chattanooga leaves the gate
21 h 32 apart on the timetable, overnight
DL 1892 leaves 21 h 32 after AA 1141 arrives on the timetable: more than half a day, so not a connection we count.