DL 1799 then DL 1297 at Boston
Tampa → Boston → Austin
Timetable, Boston time
14:20DL 1799 from Tampa at the gate
13:05DL 1297 to Austin leaves the gate
22 h 45 apart on the timetable, overnight
DL 1297 leaves 22 h 45 after DL 1799 arrives on the timetable: more than half a day, so not a connection we count.