havana/washington u.s. cruise operators airlines stand lose around 712 million annual revenues trump administration fully reinstate restrictions travel cuba washington lobby group engage cuba say report release thursday u.s.-operated cruise schedule flight caribbean island relaunched last year half-century hiatus part detente cuba pursue former president barack obama may threat u.s. president donald trump administration near completion policy review determine far would reverse engagement roll back expand travel cost airlines 512 million annually ... base average ticket fare engage cuba write report host cuba experts contribute u.s. airlines fly cuba include jetblue american delta alaska cruise operators carnival norwegian nclh.o stand lose 200 million revenue per year engage cuba estimate note thousands job sectors risk estimate base lose revenue fully book flight cruise eliminate cruise cuba could also cost south florida economy additional 212.8 million give passengers spend port communities cuba engage say supporters u.s.-cuban detente step lobby influence trump administration review bipartisan group u.s. senators last week reintroduce legislation repeal restrictions travel cuba time attract far co-sponsors u.s. tourism cuba still allow obama decision ease travel restrictions fuel boom american visitors categories like educational travel number u.s. visitors rise 74 percent last year u.s. travel sector suffer trump reverse cuba detente report