DL 5771 then DL 1612 at Detroit
Indianapolis → Detroit → Austin
Timetable, Detroit time
18:14DL 5771 from Indianapolis at the gate
16:15DL 1612 to Austin leaves the gate
22 h 01 apart on the timetable, overnight
DL 1612 leaves 22 h 01 after DL 5771 arrives on the timetable: more than half a day, so not a connection we count.