There was no significant weather change over Malaysian waters which could have threatened a missing Malaysian passenger jet carrying 239 people, said Khairul Najib, the Malaysian Meteorological Department's National Weather Center meteorological officer.

He said there were no significant changes in the weather pattern from midnight Friday to 3 am Saturday, which could threaten the safety of the plane, Malaysian state news agency Bernama reported on Sunday.

The information is based on satellite images obtained from Japan's Meteorological Agency (MTAT), he added.

The Boeing 777-200 aircraft operated by Malaysia Airlines left Kuala Lumpur International Airport for Beijing at 12:41 a.m. Saturday. The plane was last heard from at around 1:30 a.m. Saturday.

The aircraft was carrying 12 Malaysian flight crew and 227 passengers including 154 Chinese.

There are no confirmed information about the fate of the plane yet.