CHICAGO, January 5, 2004 - United Airlines (OTCBB: UALAQ.OB) today issued a reminder to all Mileage Plus® members worldwide of its industry-leading "Early Bird" bonus first communicated on December 11, 2003. All Mileage Plus customers who book their travel and fly in the first quarter of 2004 now have the opportunity to significantly boost the number of miles in their United Mileage Plus® account.

"With this industry-leading offer announced last month, United Mileage Plus members who take to the skies early this year have an opportunity to triple or double the number of miles they earn on future travel, or earn a minimum of 5,000 bonus miles," said Martin White, United’s senior vice president of Marketing.

Mileage Plus customers who register and fly paid, published fares on United, United Express or Ted can now earn:

• Triple miles on all future, paid, qualifying travel until March 31, 2004 when they fly 10,000 miles by January 31, 2004.
• Double miles on all future, paid, qualifying travel until March 31, 2004 when they fly 10,000 miles by February 29, 2004.
• 5,000 miles when they fly 10,000 miles by March 31, 2004.

Customers can register and review terms and conditions for this offer by visiting united.com/offer/mpw004 or by calling (800) 447-6772, code 798 within the United States or, outside the United States, by calling their local United office. Registration for this offer runs through March 31, 2004. Customers may register after completing a qualifying trip, as long as it is on or before March 31, 2004.

About Mileage Plus

Enjoy award travel worldwide with United Mileage Plus. With over 42 million enrolled members, Mileage Plus has been voted the number one frequent flyer program by readers of Business Traveler magazine for eight years running. Mileage Plus members can earn miles and redeem awards to nearly 700 destinations in more than 120 countries when you fly United or any one of the 15 Star Alliance^TM member airlines.  Mileage Plus members also can earn and redeem miles with nine other non-Star Alliance partner airlines.  Earn miles when you stay at a hotel, rent a car, make a long-distance phone call, make a purchase on your Mileage Plus Visa®, dine at a restaurant, shop or invest online - and more - with over 100 Mileage Plus partners around the world.  For more information or to enroll, visit united.com/mileageplus

About United Airlines

United and United Express operate more than 3,400 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 www.united.com.

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