UA 5574 then UA 3237 at Houston
Lafayette → Houston → Mc Allen
Timetable, Houston time
06:29UA 5574 from Lafayette at the gate
19:45UA 3237 to Mc Allen leaves the gate
13 h 16 apart on the timetable
UA 3237 leaves 13 h 16 after UA 5574 arrives on the timetable: more than half a day, so not a connection we count.