WN 254 then WN 4553 at Phoenix
Atlanta → Phoenix → Milwaukee
Timetable, Phoenix time
08:05WN 254 from Atlanta at the gate
20:25WN 4553 to Milwaukee leaves the gate
12 h 20 apart on the timetable
WN 4553 leaves 12 h 20 after WN 254 arrives on the timetable: more than half a day, so not a connection we count.