Man allegedly pummels sleeping United Airlines passenger in bloody mid-flight attack

A man is accused of viciously attacking a sleeping passenger on a United Airlines flight Monday afternoon, leaving him bloody and bruised, federal authorities said.

The assault occurred on a flight from San Francisco International Airport in California to Dulles International Airport in Virginia, court documents state.

Authorities said that about two hours into the flight Everett Chad Nelson left his seat in 35F and went to the bathroom at the front of the plane.

On his way back to his seat,…