WN 3402 then DL 194 at Atlanta
St Louis → Atlanta → Barcelona
Timetable, Atlanta time
19:20WN 3402 from St Louis at the gate
18:05DL 194 to Barcelona leaves the gate
22 h 45 apart on the timetable, overnight
DL 194 leaves 22 h 45 after WN 3402 arrives on the timetable: more than half a day, so not a connection we count.