Starting early Wednesday, United customers won't be able to book flights and access other services as the airline upgrades its reservation system.

United will take its core reservation platform offline as part of a planned controlled restart of its SHARES booking system.

Many online services will be unavailable in the early morning of Wednesday, Feb. 4, per an alert on its website. Here's what ...

In the past, it would often take an hour for a travel agent and airline representative to reserve a seat on an airplane due to paperwork and manual labor. Thankfully, those days are long gone. Airline ...

United Airlines warns of a planned system outage — what to know ahead of your flight - The update is a modernization of ...

A major airline's bold tech upgrade could leave passengers stranded. Will their plans go smoothly, or will chaos ensue?

United Airlines is set to upgrade its reservation system on Wednesday, customers urged to be prepared for possible glitches.

United Airlines has issued a warning to customers and pre-emptively canceled several flights as the airline takes most of its ...

United Airlines will disable many of its app and website functions between 2:30 a.m. and 6:00 a.m. Wednesday morning for an ...

Explore Robert Crandall's impact and innovations at American Airlines, including the SABRE system and the AAdvantage program, ...

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