F9 2871 then WN 261 at Atlanta
San Juan → Atlanta → St Louis
Timetable, Atlanta time
19:17F9 2871 from San Juan at the gate
19:02WN 261 to St Louis leaves the gate
23 h 45 apart on the timetable, overnight
WN 261 leaves 23 h 45 after F9 2871 arrives on the timetable: more than half a day, so not a connection we count.