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

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

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

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

United Airlines is conducting a planned overnight technology upgrade affecting its flight reservation system on Wednesday, ...

For many years, conventional wisdom was that Tuesdays were the best days to book flights if you were looking for the cheapest fares. But does this truism still hold? Multiple studies have looked at th ...