AA 2260 then AA 3430 at Phoenix
Boston → Phoenix → Yuma
Timetable, Phoenix time
10:39AA 2260 from Boston at the gate
22:59AA 3430 to Yuma leaves the gate
12 h 20 apart on the timetable
AA 3430 leaves 12 h 20 after AA 2260 arrives on the timetable: more than half a day, so not a connection we count.