AA 2886 then AA 1533 at Philadelphia
Seattle → Philadelphia → Houston
Timetable, Philadelphia time
07:00AA 2886 from Seattle at the gate
19:26AA 1533 to Houston leaves the gate
12 h 26 apart on the timetable
AA 1533 leaves 12 h 26 after AA 2886 arrives on the timetable: more than half a day, so not a connection we count.