UA 4 then UA 3234 at Houston
London → Houston → Midland
Timetable, Houston time
16:40UA 4 from London at the gate
06:45UA 3234 to Midland leaves the gate
14 h 05 apart on the timetable, overnight
UA 3234 leaves 14 h 05 after UA 4 arrives on the timetable: more than half a day, so not a connection we count.