PRNewswire-FirstCall CHICAGO Oct. 23 :

United Airlines (BULLETIN BOARD: UALAQ) today announced that it will
launch daily, non- stop service to San Jose, Costa Rica (SJO) from its hub
at Washington Dulles International Airport (IAD) effective February 12,
2004, pending government approval. Flights are available for booking
beginning today.

This move follows United`s expansion in the Caribbean, which includes
flights to the regional leisure destinations of Grand Cayman, San Juan,
Aruba and St. Thomas, U.S. Virgin Islands. In addition, service from
Washington Dulles to Cancun, Mexico will begin on February 14, 2004,
pending government approval.

“We are excited to be introducing new, international service to San Jose,
Costa Rica from Washington Dulles International Airport,” said Kevin
Knight, vice president - resource planning. “Following our unprecedented
expansion in the Caribbean, we are now providing our customers with more
options in Central America.”

The service will use Boeing 757 aircraft configured with 24 seats in
United First(R) and 158 seats in United Economy(R). The southbound flight
will depart Washington Dulles daily at 5:25 p.m. and arrive in San Jose at
9:22 p.m. The return flight will depart daily from San Jose at 10:15 a.m.
and arrive at Washington Dulles at 3:37 p.m.

United and United Express operate more than 3,300 flights a day on a route
network that spans the globe. News releases and other information about
United can be found at the company`s web site at http://www.united.com/ .

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