UA 4060 then OO 591 at Houston
Lafayette → Houston → Memphis
Timetable, Houston time
08:21UA 4060 from Lafayette at the gate
07:20OO 591 to Memphis leaves the gate
22 h 59 apart on the timetable, overnight
OO 591 leaves 22 h 59 after UA 4060 arrives on the timetable: more than half a day, so not a connection we count.