United Airlines Filed for bankruptcy: Dec. 9, 2002 Length of time in bankruptcy: 38 months Capacity changes: 20 percent fewer airplanes; trimmed capacity by 8 percent Job cuts: 30 percent fewer employees, about 58,000 Wage/benefit cuts: Terminated defined-benefit pensions; average pay for pilots, mechanics and ground workers dropped about 35 percent; flight attendants’ average pay…