Originally Posted by
uastarflyer
This is a risk regardless of airline. And WN packs more seats in the same tube v a UA so the risk of having a roller not fit is even higher.
Want overhead space? Board early. Regardless of airline.
Bags fly free helps to open overhead bin space. More on some flights than others obviously but I've always had good luck with my bag fitting, even without the extra large overhead bins some other carriers have.