A legal battle playing out between American Airlines on one side and the city of Chicago and United Airlines on the other ...

Marianas Audubon Society has called for United Airlines to resume flying Guam’s endangered bird species between the U.S. mainland and Guam. “Failure to do so threatens efforts to save Guam’s ...

American Airlines is now suing the City of Chicago, arguing a plan to hand over roughly six O’Hare gates to archrival United ...

American Airlines is now suing the City of Chicago, arguing a plan to hand over roughly six O’Hare gates to archrival United ...

Both carriers claim airport as a hub—and fight via snarky billboards, social-media sniping and a lawsuit.

Faulting the Federal Aviation Administration's alleged failure to address "long-simmering" challenges related to the air-traffic control system, United Airlines cut 35 daily flights from its ...

After American Airlines filed a lawsuit on May 2 against the city ... Who's up and who's down as the city's aviation team reshuffles O'Hare gates United says it's winning at O'Hare by a wide ...