Originally Posted by
JamesBond
I don't really care one way or the other because I carry my own anyway, but cups without lids on the 350 flight deck are verboten.
They said to read the article because the article states that they have sourced “tight fitting lids to avoid spills” (paraphrased because I’m not gonna look it up for exactness). So your concern for lidless cups was covered in the article that advised of the change.