Alex Peter is this person. According to United Airlines Baggage Policy passengers may check in one bag for free with certain fare classes, extra bags will incur surcharges. For carrying on bags, it must fit in the overhead bin or below the seat. As weight and size restrictions can change from time to time, it's a good idea to visit their website to see the most recent guidelines. Keep in mind that anything costly or delicate needs to be packed carefully. For any inquiries or special requirements, customer care is available, guaranteeing a faultless journey experience.