https://twitter.com/BrianSumers/status/1217983856097124353?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1217983856097124353&ref_url=https%3A%2F%2Fthepointsguy.com%2Fnews%2Funited-airlines-gate-bag-sizers%2FIf a bag is just the allowed size, and its your word against gate agent, how would one be able to prove it?