Question: does united charge for carry on?
Answer: One full-sized carry-on bag (22 cm x 35 cm x 56 cm) plus one personal item (22 cm x 25 cm x 43 cm) can be brought onboard free of charge. For Basic Economy travellers, you will only be allowed one personal item, unless you are a Premier® member or a primary cardmember using a qualifying MileagePlus credit card.