NY -- Standard&Poor's CreditWire 1/20/98 -- Standard&Poor's today assigned its single-`A'-plus rating to San Francisco Airport Commission, Calif.'s $500 million San Francisco International Airport second series revenue bonds dated Jan. 1, 1998 due May 1, 2028. The bonds are scheduled to sell Jan. 18, 1998. The rating reflects the following risks: -- A large and ambitious debt-financed capital program totaling $2.8 billion which, combined with future anticipated projects, will result in a higher cost and substantially more leveraged facility; and -- Continued market share growth of United Airlines Inc. and its codesharing affiliate which represent a concentrated 63% of total enplaned in fiscal 1997. Offsetting strengths include: -- Greater certainty associated with the completion of Near
