UA 365 then UA 3880 at Houston
Philadelphia → Houston → IAB
Timetable, Houston time
22:42UA 365 from Philadelphia at the gate
22:00UA 3880 to IAB leaves the gate
23 h 18 apart on the timetable, overnight
UA 3880 leaves 23 h 18 after UA 365 arrives on the timetable: more than half a day, so not a connection we count.