Flight from St. Maarten to Amsterdam (SXM - AMS) with KLM Boeing 747 Friday, November 28, 2014 The trip seemed very long and exhausting we flew north from Curacao airport to find the jet stream as the captain also found it provided an speed of over 1050 km per hour, but it also gave very turolens we touched the area that time so much bouncing of meal tray on the table add 30 cm. up in the air at some point and so was the wagon with food packed away.