AA 3944 then B6 1302 at Phoenix
Palm Springs → Phoenix → Boston
Timetable, Phoenix time
11:57AA 3944 from Palm Springs at the gate
23:59B6 1302 to Boston leaves the gate
12 h 02 apart on the timetable
B6 1302 leaves 12 h 02 after AA 3944 arrives on the timetable: more than half a day, so not a connection we count.