"Following instructions from certain concerned USA departments, we kindly inform our dearest passengers departing to and arriving from the United States that carrying any electronic or electrical device on board the flight cabins is strictly prohibited", the tweet read.
The ban does not apply to cell phones or medical devices, but does include laptops, tablets, electronic games and cameras.
At least two Middle Eastern airlines are telling passengers that laptops, tablet computers and other electronic devices are no longer allowed as carry-on items in flights headed to the USA, citing orders from U.S. authorities. The affected airlines have 96 hours to comply.
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A representative for Royal Jordanian Airlines was not immediately available for comment, but the airline's official social media account is actively responding to concerned travelers. BuzzFeed News has reached out to other Middle Eastern and African airlines, and will update this article as responses come in. One airline based in the Middle East had tweeted about the rule earlier on Monday, but later deleted the tweet. Another US administration official says this covers devices larger than a cellphone.
Authorities plan to ban US-bound passengers travelling from about a dozen countries from carrying most electronic devices.
The airline serves New York's John F. Kennedy International Airport, Chicago's O'Hare International Airport, as well Montreal and Detroit. "However, what seems certain is that Royal Jordanian wasn't misinterpreting some policy, but rather there's some intelligence that's about to change travel for a lot of people".