United Airlines flights on major routes were grounded Wednesday due to a technology issue, the airline said, and additional ...

United Airlines Holdings Inc. said the second half of the year has become more predictable and suggested it may be able to beat its earnings targets after customers resumed booking flights ...

United Airlines is changing its check-in cutoff time ahead of the busy summer travel season. The Chicago-based airline will now require check-ins for domestic flights 45 minutes before departure ...