UA 3236 then UA 4048 at Houston
Mc Allen → Houston → Midland
Timetable, Houston time
20:10UA 3236 from Mc Allen at the gate
12:00UA 4048 to Midland leaves the gate
15 h 50 apart on the timetable, overnight
UA 4048 leaves 15 h 50 after UA 3236 arrives on the timetable: more than half a day, so not a connection we count.