AA 1391 then AA 2121 at Phoenix
Philadelphia → Phoenix → Reno
Timetable, Phoenix time
10:29AA 1391 from Philadelphia at the gate
08:16AA 2121 to Reno leaves the gate
21 h 47 apart on the timetable, overnight
AA 2121 leaves 21 h 47 after AA 1391 arrives on the timetable: more than half a day, so not a connection we count.