The Carnival Dream's 5,600 passengers and crew have been told that they have the option to leave the stranded ship to visit the port of St. Maarten until their scheduled return home.
A combination of commercial and private chartered planes are on their way to collect the passengers and taken them on to their final destinations.
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The outage struck Hartfield-Jackson Atlanta International Airport at around 1pm local time, stopping all outgoing flights.
It will be a chilly day for many parts with the highest temperatures, about 10 Celsius (50F) in the far northwest.
The social site has been overhauling many of its policies in recent weeks following repeated criticism over how it handles abusive content.