UA 4331 then UA 3917 at Houston
Lafayette → Houston → Austin
Timetable, Houston time
10:41UA 4331 from Lafayette at the gate
07:30UA 3917 to Austin leaves the gate
20 h 49 apart on the timetable, overnight
UA 3917 leaves 20 h 49 after UA 4331 arrives on the timetable: more than half a day, so not a connection we count.