AA 3308 then B6 2033 at Boston
Philadelphia → Boston → Houston
Timetable, Boston time
09:39AA 3308 from Philadelphia at the gate
09:34B6 2033 to Houston leaves the gate
23 h 55 apart on the timetable, overnight
B6 2033 leaves 23 h 55 after AA 3308 arrives on the timetable: more than half a day, so not a connection we count.