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

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 ...

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 ...

United Airlines is planning a short overnight shutdown of many features on its website and mobile... The post United to Disable App and Website Functions Overnight for Reservation System Upgrade ...