WN 3402 then DL 176 at Atlanta
St Louis → Atlanta → Dublin
Timetable, Atlanta time
19:20WN 3402 from St Louis at the gate
19:15DL 176 to Dublin leaves the gate
23 h 55 apart on the timetable, overnight
DL 176 leaves 23 h 55 after WN 3402 arrives on the timetable: more than half a day, so not a connection we count.