Are you planning to book your United Airlines flight tickets? You should be aware of the United Airlines Carry on Baggage Rules. United Airlines allows customers to bring one personal item and one carry-on. Your personal item and carry-on must fit within the overhead bin. A carry-on bag's maximum dimensions are 9 inches x 14 inches x 22 inches, with handles and wheels. Personal items should not exceed 9 inches by 10 inches by 17 inches. They must be placed underneath your seat.

Customers are allowed to bring personal items and one carry-on baggage. They can also bring a camera, a breast-pump, a pet carrier (in-cabin charges apply), a diaper bag and any assistive devices.

There are exceptions to this rule for carry-on bags. Customers travelling on a Basic Economy ticket can only bring one personal item. Carry-on bags are not allowed. After paying the $25 gate handling fee and the applicable check bag fee, a carry-on bag must be checked