AA 2303 then AA 5006 at Phoenix
St Louis → Phoenix → Pasco
Timetable, Phoenix time
16:48AA 2303 from St Louis at the gate
14:41AA 5006 to Pasco leaves the gate
21 h 53 apart on the timetable, overnight
AA 5006 leaves 21 h 53 after AA 2303 arrives on the timetable: more than half a day, so not a connection we count.