WN 2149 then DL 1892 at Atlanta
Indianapolis → Atlanta → Chattanooga
Timetable, Atlanta time
19:55WN 2149 from Indianapolis at the gate
14:30DL 1892 to Chattanooga leaves the gate
18 h 35 apart on the timetable, overnight
DL 1892 leaves 18 h 35 after WN 2149 arrives on the timetable: more than half a day, so not a connection we count.