F9 4076 then DL 472 at Atlanta
Houston → Atlanta → Seattle
Timetable, Atlanta time
15:44F9 4076 from Houston at the gate
14:05DL 472 to Seattle leaves the gate
22 h 21 apart on the timetable, overnight
DL 472 leaves 22 h 21 after F9 4076 arrives on the timetable: more than half a day, so not a connection we count.