F9 4702 then DL 472 at Atlanta
Austin → Atlanta → Seattle
Timetable, Atlanta time
19:10F9 4702 from Austin at the gate
16:30DL 472 to Seattle leaves the gate
21 h 20 apart on the timetable, overnight
DL 472 leaves 21 h 20 after F9 4702 arrives on the timetable: more than half a day, so not a connection we count.