An American Airlines Boeing 777-300ER diverted back to London Heathrow twice in two days due to technical issues, disrupting transatlantic flights to Dallas and New York.

Employees of American Airlines, Boeing Co. and members of the media board a Boeing 777-300ER jet Thursday in Seattle as American Airlines takes delivery of the new aircraft.

A Delta Air Lines flight from Salt Lake City to Amsterdam has been hit by severe turbulence, sending 25 people to hospitals and forcing a diversion to Minnesota.