Government-Imposed September 11th Security Fee - Effective for travel purchased on or after October 1, 2003, the Government will impose a September 11th Security Fee on all tickets including Rapid Rewards Awards and Companion Pass travel redeemed on or after that date.
Passenger Facility Charge (PFC) - Fee imposed by an aiport on enplaning passengers when departing from or connecting at any of the airports in the list you will see by clicking here. That airport's PFC will apply in addition to the fare.