The new tool comes ahead of American's busy summer travel season where it expects to send off five flights a minute.

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

The “gate redetermination” would give United Airlines five more gates while taking away four gates from American Airlines, the suit claims. United has 88 gates, and American has 71.

American contends that the city, at the request of United Airlines, began a gate redetermination process prematurely and in ...

The dispute between United and American airlines that spilled into federal ... Under the proposed reallocation, United would have about 42% of the gate space at O’Hare, and American would ...

American Airlines is suing the city of Chicago over a provision in an O'Hare Airport lease agreement it says favors rival United Airlines.