It depends on what city you're traveling from and what airline you are going to take ---- you need to add more detail to your question, so I can better answer it.
United Airlines flies into Kingman, AZ.
It is a pleasant two hour drive.
When traveling from Wisconsin to Phoenix, AZ, you typically pass through five states: Wisconsin, Illinois, Missouri, Oklahoma, and Texas, before entering Arizona. The specific route may vary based on the chosen path, but these states are commonly included in a direct drive.
United Airlines US Airways
13
1,857 mi – about 1 day 3 hours
7 hours and 47 minutes
long time
Thursday
About five maybe six hours.
Miller Park, In Milwaukee Wisconsin
The closest they come to Houston is phoenix az