AA 2415 then AA 2121 at Phoenix
Philadelphia → Phoenix → Reno
Timetable, Phoenix time
14:10AA 2415 from Philadelphia at the gate
08:16AA 2121 to Reno leaves the gate
18 h 06 apart on the timetable, overnight
AA 2121 leaves 18 h 06 after AA 2415 arrives on the timetable: more than half a day, so not a connection we count.