Just before 8PM Eastern, the AP released a wire report that Malaysia Airlines reports that one of its Boeing 777-200 aircraft flying on the Kuala Lumpur-Beijing route as flight number 370 went "missing," as the airline lost contact with the aircraft and it never arrived in Beijing. The airline says that there are 239 people aboard the flight — 227 passengers and 12 crew members.
The flight was expected to land at 630AM Beijing time but never arrived. Beijing is 13 hours ahead of Eastern Time.
A Malaysia Airlines spokesman speaking on CNN around 820PM Eastern said "we have no idea where the flight is."