DL 5619 then AS 306 at Boston
Milwaukee → Boston → Seattle
Timetable, Boston time
22:02DL 5619 from Milwaukee at the gate
18:37AS 306 to Seattle leaves the gate
20 h 35 apart on the timetable, overnight
AS 306 leaves 20 h 35 after DL 5619 arrives on the timetable: more than half a day, so not a connection we count.