DL 466 then DL 1892 at Atlanta
Las Vegas → Atlanta → Chattanooga
Timetable, Atlanta time
20:33DL 466 from Las Vegas at the gate
14:30DL 1892 to Chattanooga leaves the gate
17 h 57 apart on the timetable, overnight
DL 1892 leaves 17 h 57 after DL 466 arrives on the timetable: more than half a day, so not a connection we count.