Korean Air (KE, Seoul Incheon) has confirmed earlier this week that it is currently in the process of conducting due diligence on Skyteam partner CSA Czech Airlines (OK, Prague Václav Havel). It is one of several parties reportedly interested in taking a 44% minority stake in CSA currently up for sale. The two carriers already closely cooperate on the route between Prague and Seoul Incheon currently served by Korean four times weekly with CSA planning to launch twice weekly service on the route as well from June 1.