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

United Airlines warns of a planned system outage — what to know ahead of your flight - The update is a modernization of ...

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

During the maintenance window, many of United's web and app services, including online booking, check-in, and flight changes, ...

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

The airline said the disruption was caused by a malfunction in the Leonardo booking system that occurred for reasons beyond its control. As a result, flights across Aeroflot’s route network may ...

Russian national flag carrier Aeroflot has warned of some possible flight cancellations after nationwide booking ...