WN 4256 then WN 4553 at Phoenix
Denver → Phoenix → Milwaukee
Timetable, Phoenix time
06:50WN 4256 from Denver at the gate
20:25WN 4553 to Milwaukee leaves the gate
13 h 35 apart on the timetable
WN 4553 leaves 13 h 35 after WN 4256 arrives on the timetable: more than half a day, so not a connection we count.