DL 2440 then DL 2833 at Atlanta
Jacksonville → Atlanta → St Louis
Timetable, Atlanta time
07:25DL 2440 from Jacksonville at the gate
20:58DL 2833 to St Louis leaves the gate
13 h 33 apart on the timetable
DL 2833 leaves 13 h 33 after DL 2440 arrives on the timetable: more than half a day, so not a connection we count.