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.

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.

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.