AS 796 then DL 438 at Seattle
Salt Lake City → Seattle → Boston
Timetable, Seattle time
12:45AS 796 from Salt Lake City at the gate
11:45DL 438 to Boston leaves the gate
23 h apart on the timetable, overnight
DL 438 leaves 23 h after AS 796 arrives on the timetable: more than half a day, so not a connection we count.