AA 9919 then WN 3388 at Phoenix
Tucson → Phoenix → Milwaukee
Timetable, Phoenix time
12:15AA 9919 from Tucson at the gate
09:55WN 3388 to Milwaukee leaves the gate
21 h 40 apart on the timetable, overnight
WN 3388 leaves 21 h 40 after AA 9919 arrives on the timetable: more than half a day, so not a connection we count.