Jetblue and United are teaming up. The airlines announced a partnership on Thursday to sell each other’s flights and link up their loyalty points programs. It’s the latest move by JetBlue to expand its network of routes. For years, Jetblue has been searching for the one — an airline to partner with, said Richard Aboulafia of AeroDynamic Advisory.

JetBlue Airways Corp. agreed to a far-reaching partnership that will allow travelers to use loyalty points and book flights across the two carriers.The tie-up will integrate the airlines’ operations in the New York City area,