AS 255 then DL 1677 at Boston
San Diego → Boston → Austin
Timetable, Boston time
05:46AS 255 from San Diego at the gate
18:59DL 1677 to Austin leaves the gate
13 h 13 apart on the timetable
DL 1677 leaves 13 h 13 after AS 255 arrives on the timetable: more than half a day, so not a connection we count.