AA 4986 then AA 2121 at Phoenix
Yuma → Phoenix → Reno
Timetable, Phoenix time
12:21AA 4986 from Yuma at the gate
08:16AA 2121 to Reno leaves the gate
19 h 55 apart on the timetable, overnight
AA 2121 leaves 19 h 55 after AA 4986 arrives on the timetable: more than half a day, so not a connection we count.