United, Southwest shares drop after warning of Boeing delivery delays ‘way behind this year'

US carriers warned on Tuesday that their plans to increase capacity were in doubt due to jet delivery delays from Boeing, as the hit to the airline industry from the planemaker’s safety crisis worsens.The airline industry has cut expectations for deliveries this year due to Boeing’s problems, complicating their efforts to meet record travel demand.Boeing has been under heavy regulatory scrutiny following a harrowing Jan. 5 midair panel blowout incident that led to probes into the company’s safety and qualit ...