DL 2305 then AA 972 at DFW
Boston → Dallas-Fort Worth → Austin
Timetable, Dallas-Fort Worth time
23:03DL 2305 from Boston at the gate
21:36AA 972 to Austin leaves the gate
22 h 33 apart on the timetable, overnight
AA 972 leaves 22 h 33 after DL 2305 arrives on the timetable: more than half a day, so not a connection we count.