DL 2673 then UA 3917 at Houston
Minneapolis → Houston → Austin
Timetable, Houston time
13:17DL 2673 from Minneapolis at the gate
07:30UA 3917 to Austin leaves the gate
18 h 13 apart on the timetable, overnight
UA 3917 leaves 18 h 13 after DL 2673 arrives on the timetable: more than half a day, so not a connection we count.