From the PJIA FB page as of 2 hours ago:

Travel Advisory: JetBlue Recovery Flight ✈️

On Thursday, March 19, 2020 Jet Blue is scheduled to host a recovery flight to the Princess Juliana International Airport (SXM) with air service to New York (JFK Airport).

According to the Management of Jet Blue St. Maarten, the scheduled departure will be available at 3:51pm. Potential travelers are required to contact Jet Blue 721- 546 -7797 or 721- 546 - 7798.

For further rebooking opportunities you can opt to come to the airport and make your way to the JetBlue counter for more information. Or Visit the website at www.jetblue.com