DL 5653 then AS 288 at Boston
Columbus (Ohio) → Boston → Seattle
Timetable, Boston time
19:42DL 5653 from Columbus (Ohio) at the gate
16:58AS 288 to Seattle leaves the gate
21 h 16 apart on the timetable, overnight
AS 288 leaves 21 h 16 after DL 5653 arrives on the timetable: more than half a day, so not a connection we count.