UA 3236 then UA 315 at Houston
Midland → Houston → Pittsburgh
Timetable, Houston time
18:30UA 3236 from Midland at the gate
11:55UA 315 to Pittsburgh leaves the gate
17 h 25 apart on the timetable, overnight
UA 315 leaves 17 h 25 after UA 3236 arrives on the timetable: more than half a day, so not a connection we count.