United Airlines CEO tries to reassure customers after string of flight problems

United Airlines CEO Scott Kirby on Monday sought to reassure customers about the carrier's safety after a series of flight problems in recent weeks.In one incident this month, a tire fell from one of the carrier's Japan-bound Boeing 777s shortly after takeoff, damaging cars in a San Francisco airport parking lot. In another, a missing panel from the plane was discovered after the older Boeing 737 landed in Oregon on Friday."Safety is our highest priority and is at the center of everything we do," Kirby said ...