DL 540 then DL 1366 at Atlanta
San Diego → Atlanta → Chattanooga
Timetable, Atlanta time
21:42DL 540 from San Diego at the gate
21:29DL 1366 to Chattanooga leaves the gate
23 h 47 apart on the timetable, overnight
DL 1366 leaves 23 h 47 after DL 540 arrives on the timetable: more than half a day, so not a connection we count.