More than 100,000 layoffs have been announced by the airlines and companies in related industries since the Sept. 11 attacks, including up to 13,000 by Delta on Wednesday. Some of the largest cuts include: 

-Boeing: 30,000 

-AMR Corp. (American, American Eagle, TWA): 20,000 

-United: 20,000 

-Delta: up to 13,000 

-Continental: 12,000 

-US Airways: 11,000 

-Northwest: 10,000 

-British Airways: 7,000 

-Air Canada: 5,000 (in addition to 4,000 previously announced) 

-Bombardier: 3,800 

-SwissAir: 3,000 

-Textron: 2,500 (in addition to 5,000 previously announced) 

-America West: 2,000 

-Sabena: 2,000 (tentative) 

-Midway: 1,700 (shutting down) 

-Virgin Atlantic: 1,200