And airlines are warning passengers that such disruption can be costly.

Still, airlines are warning that they will have to make further cuts in spending.

The airline, the second largest in the nation, has warned that it will seek bankruptcy court protection without the federal aid.

The airline had warned its workers that it would have to start shrinking if it couldn't cut its labor costs.

Soon afterward, the airline, which had already cut costs by $5 billion a year, warned union members they had to expect to make further concessions.

Otherwise, the airline has warned, it could seek Chapter 11 bankruptcy protection.

For the second time in five months, a giant airline is warning its longtime advertising agency of turbulence ahead.

The airlines, rather than figuring out if one exists, simply warn everybody.

But the airline warned that full-year sales would fall because of "considerable global and political uncertainty."

THE airlines warn that in the coming months the crowds will thin further.