Because of the reduction in concession packages, she said, effective rents are 15 to 20 percent higher than the company's expectations at the time of purchase.

After making some revisions on Sunday night to the concession package, the airline and union officials organized another vote for Thursday.

All had substantial upfront concession packages, so we're plugging that into our financial projections.

On June 12, the flight attendants offered management a concession package of $61 million a year, about two-thirds of what executives had said they wanted.

"Overall concession packages are becoming smaller, with less free rent and effective rental rates are inching up."

They also have to be prepared to compete on concession packages, free rent and construction dollars.

Negotiators for the pilots are expected to present a concession package worth $660 million to union leaders, who will probably vote on the cuts before Tuesday.

The union said its members had approved the concession package on a tally of 6,526 to 340.

The unions pulled together to offer their concession package, but that does not mean they will necessarily forge ahead toward a common goal.

Another sign of the leasing pick-up has been the moderation in concession packages given by owners.