DL 2629 then DL 472 at Atlanta
Montréal → Atlanta → Seattle
Timetable, Atlanta time
15:35DL 2629 from Montréal at the gate
14:05DL 472 to Seattle leaves the gate
22 h 30 apart on the timetable, overnight
DL 472 leaves 22 h 30 after DL 2629 arrives on the timetable: more than half a day, so not a connection we count.