To check the status of any Martinair flight, use our on-page Flight Tracker. Just fill in either the name of an airport or a flight number and then click Track Flight to get updates such as arrival and departure times and terminal and gate numbers. You can also get flight status updates directly from Martinair by calling +31 20 60 11 767 or visiting their website (klm.com/home/us/en).
At the moment, Martinair requires that checked bag dimensions be within 158cm. Your carry-on bag can be 55x35x25cm or smaller. If you also have a personal item, then it should be no longer than 40x30x15cm.