Boeing and Airbus are behind in delivery, and airlines are facing a shortage of aircraft.

CTOnews.com, Oct. 4, according to the Wall Street Journal, in addition to the need for more pilots and spare parts, airlines are facing a new dilemma-a shortage of new aircraft.

Boeing and Airbus are months behind schedule in delivering new single-aisle aircraft typically used on domestic flights or other short-haul routes, according to airline executives and industry officials. this limits the ability of airlines to increase flights to meet resurgent demand and plan flight arrangements.

"it makes it difficult for our team to plan," Gary Kelly, chairman of Southwest Airlines, said at an aviation industry event in Washington in September. "

CTOnews.com learned that a Boeing spokesman said the company continued to work closely with suppliers to meet its delivery commitments to customers.

In addition, Airbus declined to comment, but referred to recent statements by executives that they were resolving supply chain difficulties. The company noted that it is expected to meet delivery targets this year will be a challenge.