FlyerTalk Forums - View Single Post - Returned new Costco Kirkland 21.5" carry-on because it didn't fit AA and DL sizers
Old Jul 25, 2016 | 4:29 pm
  #20  
Siberian_Viktorya
 
Join Date: Jul 2015
Posts: 380
Originally Posted by MaxBuck
A bit off-topic, but if the bag actually fits into the overhead bin in the proper fashion, why would the airline care if it fits into the sizing box?

The fact is that the sizing box is always more limiting than the overhead bin, even accounting for the need for each bin to accept ~3 such bags.
because the gate agent who forces you to put you in
the carry-on can run your credit card and charge you?
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