UA 3904 then UA 253 at Houston
Pittsburgh → Houston → Honolulu
Timetable, Houston time
14:16UA 3904 from Pittsburgh at the gate
09:30UA 253 to Honolulu leaves the gate
19 h 14 apart on the timetable, overnight
UA 253 leaves 19 h 14 after UA 3904 arrives on the timetable: more than half a day, so not a connection we count.