WN 3402 then DL 2891 at Atlanta
St Louis → Atlanta → Ontario
Timetable, Atlanta time
19:20WN 3402 from St Louis at the gate
18:09DL 2891 to Ontario leaves the gate
22 h 49 apart on the timetable, overnight
DL 2891 leaves 22 h 49 after WN 3402 arrives on the timetable: more than half a day, so not a connection we count.