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

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

United Airlines is conducting a planned overnight technology upgrade affecting its flight reservation system on Wednesday, February 4, between 1.30am and 5am CST (2.30am and 6am EST/11.30pm February 3 ...

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

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

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 ...