F9 1846 then DL 543 at Atlanta
Cincinnati → Atlanta → St Louis
Timetable, Atlanta time
16:48F9 1846 from Cincinnati at the gate
15:45DL 543 to St Louis leaves the gate
22 h 57 apart on the timetable, overnight
DL 543 leaves 22 h 57 after F9 1846 arrives on the timetable: more than half a day, so not a connection we count.