WN 3402 then DL 2803 at Atlanta
St Louis → Atlanta → Valparaiso
Timetable, Atlanta time
19:20WN 3402 from St Louis at the gate
18:22DL 2803 to Valparaiso leaves the gate
23 h 02 apart on the timetable, overnight
DL 2803 leaves 23 h 02 after WN 3402 arrives on the timetable: more than half a day, so not a connection we count.