DL 927 then DL 1892 at Atlanta
Las Vegas → Atlanta → Chattanooga
Timetable, Atlanta time
16:14DL 927 from Las Vegas at the gate
14:30DL 1892 to Chattanooga leaves the gate
22 h 16 apart on the timetable, overnight
DL 1892 leaves 22 h 16 after DL 927 arrives on the timetable: more than half a day, so not a connection we count.