For all flights as of 2010, the fee for your first checked bag is $25. The fee for your second checked bag is $35, and the fee for any additional bags, up to the nine bag limit, is $100 each. Bags must be 50 lbs or less to avoid overweight bag fees.
There is no fee for carry-on items. Passengers are allowed one carry-on bag and one personal item. Personal items are usually purses, laptops, baby bags and similar items.
Carry-on baggage must be 40 lbs or less and 14 by 9 by 22 inches, for a combined total of 45 inches or less. There is a $50 extra fee, in addition to normal fees, for checked bags that are between 51 lbs and 70 lbs. The additional fee for checked bags between 71 lbs and 100 lbs is $100. For bags between 63 inches and 80 inches, there is an additional $100 fee. Bags over 80 inches are not permitted.
Knives, scissors and other sharp objects, as well as firearms, explosives and a variety of chemicals, are all prohibited from carry-on bags. Certain items like explosives and various chemicals are also prohibited from checked bags. A complete list of prohibited items is available online (see Resources).
