▁and ▁the ▁interior ▁Chinese ▁city ▁of ▁X i ' an , ▁effective ▁May ▁ 2 0 1 6 . ▁The ▁service ▁would ▁operate ▁from ▁mid - May ▁through ▁late ▁October . ▁However , ▁United ▁Airlines ▁terminated ▁this ▁service ▁on ▁December ▁ 9 , ▁ 2 0 1 7 . ▁▁ 2 0 1 6 ▁expansion ▁ ▁On ▁January ▁ 2 1 , ▁ 2 0 1 6 , ▁H ain an ▁Airlines ▁launched ▁a ▁route ▁between ▁the ▁Chinese ▁city ▁Ch ang sha ▁of ▁Hun an ▁province ▁and ▁Los ▁Angeles , ▁the ▁company ' s ▁e ighth ▁North ▁American ▁route . ▁The ▁air line ▁uses ▁the ▁Bo eing ▁ 7 8 7 ▁Dream lin er ▁for ▁the ▁new , ▁twice - week ly ▁service ▁operating ▁every ▁Monday ▁and ▁Th urs day , ▁which ▁will ▁have ▁a ▁flight ▁duration ▁of ▁approximately ▁ 1 3 . 5 ▁hours . ▁ ▁On ▁March ▁ 9 , ▁ 2 0 1 6 , ▁United ▁announced ▁that ▁it ▁would ▁launch ▁service ▁to ▁the ▁Chinese ▁city ▁H ang z hou ▁from ▁San ▁Francisco , ▁the ▁air line ' s ▁fifth ▁destination ▁in ▁main land ▁China . ▁The ▁air line ▁started ▁the ▁route ▁on ▁July ▁ 1 3 , ▁ 2 0 1 6 ▁( from ▁San ▁Francisco ); ▁July ▁ 1 5 , ▁ 2 0 1 6 ▁( from ▁H ang z hou ) ▁using ▁the ▁Bo eing ▁ 7 8 7 - 9 ▁Dream lin er ▁aircraft . ▁However , ▁this ▁service ▁terminated ▁in ▁October ▁ 1 6