Try some of this in your paint:
https://www.homedepot.com/p/Flood-Floetrol-1-qt-Clear-Latex-Paint-Additive-FLD6-04/100198078
I use a sprayer on my air compressor. I started adding this stuff to the paint when I spray and it made the paint flow SO much better. Lays down perfect. I could even thin kiltz enough to spray through my sprayer.