UA 3236 then UA 5133 at Houston
Midland → Houston → Alexandria
Timetable, Houston time
18:30UA 3236 from Midland at the gate
14:20UA 5133 to Alexandria leaves the gate
19 h 50 apart on the timetable, overnight
UA 5133 leaves 19 h 50 after UA 3236 arrives on the timetable: more than half a day, so not a connection we count.