AA 3783 then AA 2121 at Phoenix
Tucson → Phoenix → Reno
Timetable, Phoenix time
12:25AA 3783 from Tucson at the gate
08:16AA 2121 to Reno leaves the gate
19 h 51 apart on the timetable, overnight
AA 2121 leaves 19 h 51 after AA 3783 arrives on the timetable: more than half a day, so not a connection we count.