AA 2121 then WN 3388 at Phoenix
Reno → Phoenix → Milwaukee
Timetable, Phoenix time
12:44AA 2121 from Reno at the gate
09:55WN 3388 to Milwaukee leaves the gate
21 h 11 apart on the timetable, overnight
WN 3388 leaves 21 h 11 after AA 2121 arrives on the timetable: more than half a day, so not a connection we count.