F9 1241 then DL 1403 at Atlanta
Orlando → Atlanta → St Louis
Timetable, Atlanta time
08:19F9 1241 from Orlando at the gate
23:10DL 1403 to St Louis leaves the gate
14 h 51 apart on the timetable
DL 1403 leaves 14 h 51 after F9 1241 arrives on the timetable: more than half a day, so not a connection we count.