Saarbrücken Airport July 2014 it was reported that Zweibrücken Airport had filed for bankruptcy due to illegal subsidies as it is too close to Saarbrücken Airport, which has been in existence for much longer. After Hapagfly left, Air Berlin opened routes from Saarbrücken to Palma de Mallorca and Berlin–Tegel Airport, but it ceased flying in 2017. Additionally, Luxair has made Saarbrücken Airport its secondary hub due to its proximity to Luxembourg. Saarbrücken Airport handled 452,314 passengers in 2011. Due to Zweibrücken Airport's financial difficulties, TUIfly announced that their seasonal base would be relocated from there to Saarbrücken Airport from summer 2015. Other
Napa County Airport It was expanded later in the war and renamed Napa Army Airfield, becoming an auxiliary airfield of the Fourth Air Force Hamilton Army Airfield. 4th Air Force used the base to train replacement fighter pilots, primarily flying P-38 Lightnings before being deployed overseas. After World War II the property was deeded to Napa County by the War Assets Administration for civil use. The airport soon became a business hub for what was once a rural, sparsely populated area in the south end of the county. Jonesy's Restaurant opened for business in 1946 at the airport and was a longtime favorite.