B6 134 then DL 1410 at Boston
San Francisco → Boston → Austin
Timetable, Boston time
06:44B6 134 from San Francisco at the gate
06:15DL 1410 to Austin leaves the gate
23 h 31 apart on the timetable, overnight
DL 1410 leaves 23 h 31 after B6 134 arrives on the timetable: more than half a day, so not a connection we count.