PITTSBURGH, Pa -- As Clevelanders worry about the future of their airport, they might find lessons 100 miles east in Pittsburgh.

Many Northeast Ohio leaders are concerned that renewed talk of merging Continental and United airlines could lead to the loss of flights and bragging rights that come with being a hub airport for Continental.

Nonstop flights could disappear from Cleveland Hopkins International Airport, they fear. Time-eating connections could become a business nightmare. Airport revenues could shrink.....