DL 1400 then DL 472 at Atlanta
St Louis → Atlanta → Seattle
Timetable, Atlanta time
14:53DL 1400 from St Louis at the gate
14:05DL 472 to Seattle leaves the gate
23 h 12 apart on the timetable, overnight
DL 472 leaves 23 h 12 after DL 1400 arrives on the timetable: more than half a day, so not a connection we count.