Incheon International Airport Air Terminal in Gangnam is linked with the airport through limousine buses. The Airport Railroad Express (AREX and styled as A'REX) has a station located in the Transport Centre adjacent to the Terminal 1 building and is in the basement of Terminal 2. It provides service to Gimpo International Airport and Seoul. Many of the stations along the line provide connections to Incheon Subway, Seoul Metropolitan Subway, and Incheon Airport Maglev. For departing passengers, Seoul Station City Airport Terminal has check-in and immigration facilities before arrival at the airport. The Korea Train eXpress (KTX) operated at the same station as
Incheon International Airport claim that average departure and arrival takes 19 minutes and 12 minutes, respectively, as compared to worldwide average of 60 minutes and 45 minutes, respectively, ranking it among the fastest airports in the world for customs processing. Its duty-free shopping mall has been rated the world's best for three years in a row in 2013 by Business Traveller. Incheon International Airport also claims that it has only a 0.0001% baggage mishandling rate. The airport opened for business on March 29, 2001 to replace the older Gimpo International Airport, which now serves mostly domestic destinations and shuttle flights to several East