▁California . ▁Four ▁passenger ▁air lines ▁serve ▁the ▁air port ▁with ▁fl ights ▁to ▁nine ▁cities : ▁Dallas - F ort ▁W orth , ▁Den ver , ▁Las ▁Veg as , ▁Los ▁Angeles , ▁Phoenix , ▁Port land , ▁San ▁Diego , ▁San ▁Francisco ▁and ▁Seattle . ▁The ▁air port ▁was ▁established ▁in ▁ 1 9 3 9 ▁and ▁used ▁by ▁the ▁U . S . ▁military ▁between ▁ 1 9 3 9 ▁and ▁ 1 9 4 5 . ▁ ▁History ▁In ▁ 1 9 3 3 ▁Pacific ▁Se ab o ard ▁Air ▁L ines ▁single ▁engine ▁Bell an ca ▁CH - 3 0 0 s ▁fle w ▁twice ▁daily ▁each ▁way ▁Los ▁Angeles ▁- ▁Santa ▁Barbara ▁- ▁Santa ▁Maria ▁- ▁San ▁Luis ▁Ob is po ▁- ▁Pas o ▁Rob les ▁- ▁Mon ter ey ▁- ▁Sal inas ▁- ▁San ▁Jose ▁- ▁San ▁Francisco . ▁ ▁Pacific ▁Se ab o ard ▁later ▁moved ▁its ▁operation ▁to ▁the ▁eastern ▁U . S ., ▁was ▁renamed ▁Chicago ▁and ▁Southern ▁Air ▁L ines , ▁and ▁became ▁a ▁large ▁domestic ▁and ▁international ▁air line ▁that ▁in ▁ 1 9 5 3 ▁was ▁acquired ▁by ▁and ▁merged ▁into ▁D elta ▁Air ▁L ines . ▁ ▁Earl ▁Thom son , ▁along ▁with ▁his ▁brothers - in - law , ▁William ▁" Chr is " ▁and ▁David ▁Ho over , ▁talked ▁county ▁officials ▁into ▁le asing ▁them ▁the ▁land ▁for ▁an ▁air port . ▁By ▁April ▁ 1 9 3 9 ▁it ▁opened ▁with ▁an ▁ ▁hang ar ▁and