DL 5175 then WN 261 at Atlanta
Chattanooga → Atlanta → St Louis
Timetable, Atlanta time
20:35DL 5175 from Chattanooga at the gate
18:50WN 261 to St Louis leaves the gate
22 h 15 apart on the timetable, overnight
WN 261 leaves 22 h 15 after DL 5175 arrives on the timetable: more than half a day, so not a connection we count.