F9 2633 then DL 1571 at Atlanta
Baltimore → Atlanta → St Louis
Timetable, Atlanta time
09:14F9 2633 from Baltimore at the gate
08:15DL 1571 to St Louis leaves the gate
23 h 01 apart on the timetable, overnight
DL 1571 leaves 23 h 01 after F9 2633 arrives on the timetable: more than half a day, so not a connection we count.