Actually it's an Icelandic Air 747 that flew into SXM at 7:55 am this morning from Milan Italy according to flightaware. It was flight ABD4234/CC4234

CC4234 is a international flight operated by Air Atlanta Icelandic. CC4234 is departing from Milan (MXP), Italy and arriving at St Maarten (SXM), Netherlands Antilles. The flight distance is about 7,192 km or 4,469 miles. Get the latest status of CC4234 / ABD4234 here.https://www.flightpedia.org/flight-status/cc4234.html

Maybe they leased the plane from Astral Aviation?