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

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

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

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

The aim of the move is to improve reliability. United, the largest U.S. airline by fleet size, with 1,000 aircraft, has been warning passengers about the outage and reportedly adjusted domestic ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. United Airlines is planning a major technology update that will take down its online reservation system early Wednesday. The ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. During the upgrade, United passengers won't be able to manage their bookings online (Getty Images) United Airlines is conducting a ...