Chicago, June 14, 2005ýý Business travelers flying in and out of Chicago can better focus on doing business while traveling thanks to United Airlines' new special Business1(sm) perks, including dedicated and convenient departure gates, and an on-time arrival guarantee on all flights between Chicago O'Hare International Airport and seven U.S. cities.

Flights to Business1 cities will depart from the B Concourse at O'Hare, conveniently located by the ticket lobby and security.ý Customers seated in United Firstý and Economy Plusý on Business1 flights will receive complimentary newspapers on weekday flights before 10 a.m. Also, any eligible Business1 customer who does not arrive at their destination within 30 minutes of the scheduled arrival time will receive a bonus of 500 redeemable miles.

"With Business1, we provide customers traveling on key business routes more of what they want -- on-time reliability and convenient departure gates," said Dennis Cary, United's senior vice president of Marketing.ý "United remains the No. 1 airline for business travel in Chicago, with the most flights to the most destinations.ý In addition, we had the best on-time performance at O'Hare in 2004.ý To show how serious we are about serving our customers, we have added an on-time arrival guarantee with bonus miles that underscores our commitment to getting travelers to their destinations on time -- and we'll compensate them if we don't."

The guarantee will apply to flights arriving more than 30 minutes late for any reason, including weather and air traffic control delays.

Business1 flights are all nonstop United and United Express flights operating between Chicago O'Hare and to/from Boston, Dallas/Ft. Worth, Minneapolis/St. Paul, Newark, New York's LaGuardia Airport, Philadelphia and Washington D.C.'s Ronald Reagan National Airport.ý These destinations were chosen because they have the highest number of Chicago customers traveling on business.

United's customer research indicates that nine out of 10 customers rate on-time reliability as highly important, and eight out of 10 customers highly rate "ease of travel between check-in and the gate."

United's Business1 flights make travel easier with products and services that include:

Most convenient gatesý-- Business1 flights out of Chicago OýHare depart from the Terminal 1, B Concourse.ý Flights to O'Hare from Business1 cities depart from our customers' most preferred gates at these airports.

Guaranteed on-time arrivalý-- United is offering customers on Business1 flights 500 redeemable miles if the flight arrives at the gate more than 30 minutes late, regardless of the reason.ý To be eligible for the on-time arrival guarantee offer, customers need to be Mileage Plus members and register only once at www.united.com/business1.

More legroom with Economy Plusý--ý All United flights, including Business1 fights, offer up to five extra inches of legroom in our Economy Plus section.ý Economy Plus customers enjoy extra legroom, early boarding/deplaning and preferred access to overhead bins.

Complimentary newspapers and mealý-- As a convenience for United Firstý and Economy Plus customers, we are providing a selection of newspapers on Business1 flights departing O'Hare and other Business1 cities at or before 10:00 a.m., Monday through Friday.ý A complimentary meal is served in United First on all Business1 flights during meal times, except on Chicago-Minneapolis flights.

In addition to Business1, United offers business customers a range of benefits at Chicago O'Hare, including priority security checkpoint lanes for frequent flyers; curbside check-in and more than 140 self-service EasyCheck-in kiosks, now offering self-check-in kiosk transactions in more languages than any other carrier; EasyInfo comprehensive flight information screens at every United gate; and four newly renovated Red Carpet Clubs.ý United, Ted and United Express fly to 124 destinations from O'Hare, more than any other carrier.

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About United

United Airlines (OTCBB: UALAQ.OB) is the world's second largest airline and operates more than 3,400 flights a day on United, United Express and Ted to more than 200 U.S. domestic and international destinations from its hubs in Los Angeles, San Francisco, Denver, Chicago and Washington, D.C.ý With key global air rights in the Asia-Pacific region, Europe and Latin America, United is the largest international carrier based in the United States.²ý United is also a founding member of Star Alliance, which provides connections for our customers to nearly 800 destinations in 139 countries worldwide.ý Unitedýs 60,000 employees reside in every U.S. state and in many countries around the world. News releases and other information about United can be found at the company's Web site at united.com.

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¹ýTerms and Conditions

Offer valid for travel between 6/14/05 and 12/31/05. Registration required by 12/31/05 at www.united.com /business1. Registration required within 7 days of travel date to be eligible for this offer.ý Registration required only one time. Valid only on flights operated by United and United Express, and not on Ted, or on United marketed code share flights operated by other carriers.ý Offer valid for travel on qualified paid, published fares only.ýOffer is valid only on the following non-stop flights between Chicago OýHare (ORD) and:ý Boston Logan (BOS), Washington D.C. Reagan (DCA), Dallas/Ft. Worth (DFW), Newark (EWR), New Yorký LaGuardia (LGA), Minneapolis/St. Paul (MSP), or Philadelphia (PHL).ýCustomers will earn 500 Redeemable Miles when traveling on eligible Business1ý flights if a flight arrives 30 minutes or more after the scheduled arrival time to the destination gate, including cancellations that occur within 24 hours of the scheduled departure time.ý In the case of a flight cancellation, customer must complete travel on the same day or next day, and excludes travel re-routed through another city or on another carrier. Bonus miles do not count towards elite status.ý Bonus is in addition to paid flight miles and any applicable elite or class-of-service bonus.ý Please allow up to 4 weeks from date of qualifying flight for bonus miles to be posted to your Mileage Plus account. Passenger must be a member of Mileage Plus and Mileage Plus number must be present in the passenger name record.

E-ticket required. Flights must be credited to the passengerýs Mileage Plusý account in order to qualify. Offer may be earned an unlimited number of times. Offer is combinable with other offers.ý Offer subject to change without notice.ý Other restrictions may apply.

Tickets purchased through United reservation offices are $5 per ticket higher and tickets purchased at airport ticket counters are $10 per ticket higher.ý Fares purchased through other distribution channels may also be higher. Miles accrued, awards issued and bonus offers are subject to the rules of the United Mileage Plus program. United, its subsidiaries, affiliates and agents are not responsible for any products and services of other participating companies and partners. The Mileage Plus Program, including accruals, awards and bonus miles offers, is subject to change without notice. Taxes and fees related to award travel are the responsibility of the passenger. United and Mileage Plus are registered service marks. For complete details about the Mileage Plus program, visit united.com. (MPGC45)

²ýMeasured by revenue passenger miles as reported to the U.S. Department of Transportation for 12 months ending September 2004, the most recent comparison data available.

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