It's the first test of the airport's "use-it-or-lose-it" formula adopted in the lease deal that ushered in the $6.1 billion terminal project.

The three new routes offer service from O'Hare International Airport to Billings, Montana; Halifax, Nova Scotia; and Ontario, ...

As air travel becomes busier, so will carbon emissions, which it's why this major airport's achievement sets a good example ...