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.

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

United said it would be taking down key online and mobile services for about four and a half hours.

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

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

JetBlue and United roll out reciprocal revenue bookings under Blue Sky, allowing travelers to book eligible flights with cash ...

Gift Article 10 Remaining As a subscriber, you have 10 articles to gift each month. Gifting allows recipients to access the article for free. The technology glitch that left United Airlines flights ...

NEW YORK (AP) — Stragglers beware: U.S. travelers flying with United Airlines will have to check in to domestic flights a little earlier starting next week. That is, if they're customers only taking ...