WN 3402 then DL 1107 at Atlanta
St Louis → Atlanta → Fort Lauderdale
Timetable, Atlanta time
19:20WN 3402 from St Louis at the gate
18:35DL 1107 to Fort Lauderdale leaves the gate
23 h 15 apart on the timetable, overnight
DL 1107 leaves 23 h 15 after WN 3402 arrives on the timetable: more than half a day, so not a connection we count.